| Name | ValuationAllowanceForImpairmentOfRecognizedServicingAssetsTable |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:hypercubeItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Schedule of Valuation Allowance for Impairment of Recognized Servicing Assets [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This schedule lists the activity by class in any valuation allowance for impairment of recognized servicing assets - including beginning and ending balances, aggregate additions charged and recoveries credited to operations, and aggregate write-downs charged against allowance. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | Reference Project:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2020 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2019-11 | 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 | 860 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 4 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (e)(1) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746 | 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 | 860 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 4 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (e)(3) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746 | 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 | 860 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 4 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (e)(2) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FinancialInstrumentAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing | |
us-gaap:ValuationAllowanceForImpairmentOfRecognizedServicingAssetsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing | |
us-gaap:FinancialInstrumentAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingValuationAllowanceForImpairmentOfRecognizedServicingAssetsTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ScheduleOfValuationAllowanceForImpairmentOfRecognizedServicingAssetsTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing | |
us-gaap:ValuationAllowanceForImpairmentOfRecognizedServicingAssetsLineItems | all | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingValuationAllowanceForImpairmentOfRecognizedServicingAssetsTable |