| Name | OtherRestrictedAssets |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Other Restricted Assets | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Other Restricted Assets, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total assets that cannot be used for operating purposes because of contract or regulatory requirements that are in effect for a period that extends beyond one year. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2008 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Reference Project:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2021 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2020-08 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 954 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 210 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 45 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 4 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=120413173&loc=SL6242262-115580 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 954 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 210 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 2 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=120413209&loc=SL6242269-115581 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 210 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | S99 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (SX 210.5-02.17) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:RestrictedCashAndInvestments | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:ReplacementReserveEscrow | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:OtherRestrictedAssetsAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations | |
us-gaap:OtherRestrictedAssetsAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable | |
us-gaap:Assets | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:OtherAssetsUnclassifiedAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/DeferredCostsCapitalizedPrepaidAndOtherAssets |