| SourceName | Statistical Disclosures for Banks | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2021 | http://fasb.org/srt/role/changeNote/changeNote |
| NewElement | true | http://fasb.org/srt/role/changeNote/changeNote |
| elementCreationTaxonomyVersion | 2021 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | SEC | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Regulation S-K (SK) | http://www.xbrl.org/2009/role/commonPracticeRef |
| Number | 229 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 1402 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | (a) | http://www.xbrl.org/2009/role/commonPracticeRef |