| Name | SecuredBorrowingsGrossDifferenceAmount |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Secured Borrowings, Gross, Difference, Amount | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of secured borrowings in excess of (less than) the liability for repurchase agreements and securities lending transactions, before offset, included in offsetting disclosures. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| PublishDate | 2020-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Source | Taxonomy Implementation Guide | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Repurchase-to-Maturity Transactions and Repurchase Financings | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| inlineURI | http://xbrl.fasb.org/ix/?doc=../impdocs/REPO_TIG/inline-f2017repurchasetomaturitytransactionsig.htm | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| pdfURI | https://www.fasb.org/repurchasetomaturityagreements_2017 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 860 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 30 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 7 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (a)(1) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=109249958&loc=SL34722452-111729 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative | |
us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangementReconciliationAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing | |
us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangementReconciliationAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable | |
us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangementReconciliationAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift | |
us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangementReconciliationAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable | |
us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangementReconciliationAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealers | |
us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangementReconciliationAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable |