| SourceName | Statistical Disclosures for Banks | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2021 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedDocumentation | true | http://fasb.org/srt/role/changeNote/changeNote |
| PreviousDocumentation | Interest expense incurred during the reporting period on commercial paper. | http://fasb.org/srt/role/changeNote/changeNote |
| elementCreationTaxonomyVersion | 2008 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 942 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 220 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | S99 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 1 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (SX 210.9-04(7)) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Publisher | SEC | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Regulation S-K (SK) | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 229 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 1402 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | (a) | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | SEC | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Regulation S-K (SK) | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 229 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 1402 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | (b) | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (1) | http://www.xbrl.org/2003/role/disclosureRef |