Taxonomy Viewer

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

Text	Lang	Role	Container role
Long-term Commitment (Excluding Unconditional Purchase Obligation) [Abstract]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

	Name	Relation Type	Role
	Standby Bond Purchase Commitment, Expiration Period `us-gaap:StandbyBondPurchaseCommitmentExpirationPeriod`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesFederalHomeLoanBanks
	Long-term Purchase Commitment [Table Text Block] `us-gaap:LongTermPurchaseCommitmentTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingencies

	Name	Relation Type	Role
	Federal Home Loan Banks [Abstract] `us-gaap:FederalHomeLoanBanksAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesFederalHomeLoanBanks
	Commitments and Contingencies Disclosure [Text Block] `us-gaap:CommitmentsAndContingenciesDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingencies