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Class of Stock [Domain]

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Name	ClassOfStockDomain
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	nonnum:domainItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	True

Text	Lang	Role	Container role
Class of Stock [Domain]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Common Class A [Member] `us-gaap:CommonClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Common Class B [Member] `us-gaap:CommonClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Common Class C [Member] `us-gaap:CommonClassCMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Convertible Common Stock [Member] `us-gaap:ConvertibleCommonStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Nonvoting Common Stock [Member] `us-gaap:NonvotingCommonStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Common Class A [Member] `us-gaap:CommonClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Common Class B [Member] `us-gaap:CommonClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Common Class C [Member] `us-gaap:CommonClassCMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Convertible Common Stock [Member] `us-gaap:ConvertibleCommonStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Nonvoting Common Stock [Member] `us-gaap:NonvotingCommonStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Common Class A [Member] `us-gaap:CommonClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Common Class B [Member] `us-gaap:CommonClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Common Class C [Member] `us-gaap:CommonClassCMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Common Class A [Member] `us-gaap:CommonClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Common Class B [Member] `us-gaap:CommonClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Common Class C [Member] `us-gaap:CommonClassCMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Common Class A [Member] `us-gaap:CommonClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Common Class B [Member] `us-gaap:CommonClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Common Class C [Member] `us-gaap:CommonClassCMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Common Class A [Member] `us-gaap:CommonClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Common Class B [Member] `us-gaap:CommonClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Common Class C [Member] `us-gaap:CommonClassCMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Common Class A [Member] `us-gaap:CommonClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Common Class B [Member] `us-gaap:CommonClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Common Class C [Member] `us-gaap:CommonClassCMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Common Class A [Member] `us-gaap:CommonClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Common Class B [Member] `us-gaap:CommonClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Common Class C [Member] `us-gaap:CommonClassCMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
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Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified
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Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified
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Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified
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Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified
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Common Class B [Member] `us-gaap:CommonClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
Common Class C [Member] `us-gaap:CommonClassCMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
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Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
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Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
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Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Common Class A [Member] `us-gaap:CommonClassAMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Common Class B [Member] `us-gaap:CommonClassBMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Common Class C [Member] `us-gaap:CommonClassCMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Nonvoting Common Stock [Member] `us-gaap:NonvotingCommonStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Convertible Common Stock [Member] `us-gaap:ConvertibleCommonStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Common Class A [Member] `us-gaap:CommonClassAMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Common Class B [Member] `us-gaap:CommonClassBMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Common Class C [Member] `us-gaap:CommonClassCMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Nonvoting Common Stock [Member] `us-gaap:NonvotingCommonStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Convertible Common Stock [Member] `us-gaap:ConvertibleCommonStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Common Class A [Member] `us-gaap:CommonClassAMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Common Class B [Member] `us-gaap:CommonClassBMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Common Class C [Member] `us-gaap:CommonClassCMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Nonvoting Common Stock [Member] `us-gaap:NonvotingCommonStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Convertible Common Stock [Member] `us-gaap:ConvertibleCommonStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Common Class A [Member] `us-gaap:CommonClassAMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Common Class B [Member] `us-gaap:CommonClassBMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Common Class C [Member] `us-gaap:CommonClassCMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Common Class A [Member] `us-gaap:CommonClassAMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Common Class B [Member] `us-gaap:CommonClassBMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Common Class C [Member] `us-gaap:CommonClassCMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Cumulative Preferred Stock [Member] `us-gaap:CumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Noncumulative Preferred Stock [Member] `us-gaap:NoncumulativePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Preferred Class A [Member] `us-gaap:PreferredClassAMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Preferred Class B [Member] `us-gaap:PreferredClassBMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series A Preferred Stock [Member] `us-gaap:SeriesAPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series B Preferred Stock [Member] `us-gaap:SeriesBPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series C Preferred Stock [Member] `us-gaap:SeriesCPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series D Preferred Stock [Member] `us-gaap:SeriesDPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series E Preferred Stock [Member] `us-gaap:SeriesEPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series F Preferred Stock [Member] `us-gaap:SeriesFPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series G Preferred Stock [Member] `us-gaap:SeriesGPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Series H Preferred Stock [Member] `us-gaap:SeriesHPreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable

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XBRL Model Project

Name	Relation Type	Role
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/CommonDomainMembers
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosuresDividendsPayableTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosuresDividendsPayableTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/TemporaryEquity
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/TemporaryEquityTemporaryEquityByClassOfStockTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/TemporaryEquityTemporaryEquityByClassOfStockTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/EquityClassOfTreasuryStockTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/EquityClassOfTreasuryStockTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/EquityScheduleOfStockByClassTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/EquityScheduleOfStockByClassTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/EquityTargetedOrTrackingStockStockTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/EquityTargetedOrTrackingStockStockTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensation
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/EarningsPerShare
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareBasicByCommonClassTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfEarningsPerShareDilutedByCommonClassTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	parent-child	http://fasb.org/us-gaap/role/disclosure/RegulatedOperations
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-default	http://fasb.org/us-gaap/role/disclosure/RegulatedOperationsScheduleOfCapitalizationEquityTable
Class of Stock [Axis] `us-gaap:StatementClassOfStockAxis`	dimension-domain	http://fasb.org/us-gaap/role/disclosure/RegulatedOperationsScheduleOfCapitalizationEquityTable