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REGULATORY CAPITAL REQUIREMENTS - Narratives (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Regulatory capital requirements |  |
Actual, Ratio (as a percent) | 4.5 | 7.0
Actual, Ratio (as a percent) | 6.0 | 8.5
Actual, Ratio (as a percent) | 8.0 | 10.5
Basel III |  |
Regulatory capital requirements |  |
Additional capital conservation buffer (as a percentage) | 2.50% |
Actual, Ratio (as a percent) | 10.3 | 10.2
Actual, Ratio (as a percent) | 10.3 | 10.2
Actual, Ratio (as a percent) | 13.0 | 13.1

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- Definition Ratio of total risk-based capital to risk-weighted assets as defined by regulatory framework. + References Reference 1: 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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