Taxonomy Viewer

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

Text	Lang	Role	Container role
Schedule of Temporary Impairment Losses, Investments [Table Text Block]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Tabular disclosure of investments in an unrealized loss position for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), including: (a) the aggregate related fair value of investments with unrealized losses, (b) the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

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Publisher	FASB	http://fasb.org/us-gaap/role/ref/legacyRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	320	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	10	http://fasb.org/us-gaap/role/ref/legacyRef
Section	50	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	6	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563	http://fasb.org/us-gaap/role/ref/legacyRef

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	Table Text Block Supplement [Abstract] `us-gaap:TableTextBlockSupplementAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities