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REGULATORY CAPITAL (Tables) | 12 Months Ended
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Sep. 30, 2021
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
Schedule of regulatory capital compliance | The following tables set forth the Company’s and the Bank’s actual and required capital levels under those measures:
At September 30, 2021 |  | Company |  | Bank |  | Required for capital adequacy purposes |  | To be well- capitalized under prompt corrective action provisions
Tier 1 leverage ratio |  | 12.43% |  | 10.18% |  |  | ≥ 4.00 | % |  | ≥ | 5.00 | %
CET1 |  | 19.19% |  | 15.74% |  |  | ≥ 7.00 | %​​(1) |  | ≥ | 6.50 | %
Tier 1 risk-based capital ratio |  | 19.19% |  | 15.74% |  |  | ≥ 8.50 | %​​(1) |  | ≥ | 8.00 | %
Total risk-based capital ratio |  | 20.44% |  | 16.99% |  |  | ≥ 10.50 | %​​(1) |  | ≥ | 10.00 | %
At September 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Tier 1 leverage ratio |  | 7.84% |  | 8.30% |  |  | ≥ 4.00 | % |  | ≥ | 5.00 | %
CET1 |  | 11.84% |  | 11.93% |  |  | ≥ 7.00 | ​%​(1) |  | ≥ | 6.50 | %
Tier 1 risk-based capital ratio |  | 11.84% |  | 11.93% |  |  | ≥ 8.50​ | %​(1) |  | ≥ | 8.00 | %
Total risk-based capital ratio |  | 13.09% |  | 13.18% |  |  | ≥ 10.50 | %​​​(1) |  | ≥ | 10.00 | %
​​(1) | Includes 2.50% capital conservation buffer

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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