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CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Actual and Required Capital Ratios (Details) | Mar. 31, 2023 | Dec. 31, 2022
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Tier 1 capital to risk-weighted assets |  |
Total capital to risk-weighted assets | 0.144 | 0.146
Common equity tier 1 capital to risk-weighted assets | 12.10% | 12.40%
Tier 1 capital to risk-weighted assets | 0.124 | 0.126
Tier 1 capital to average assets | 0.099 | 0.102
Total capital to risk-weighted assets, Minimum Capital Requirement | 0.080 |
Common equity tier 1 capital to risk-weighted assets, Minimum Capital Requirement | 0.045 |
Tier 1 capital to risk-weighted assets, Minimum Capital Requirement | 0.060 |
Tier 1 capital to average assets, Minimum Capital Requirement | 0.040 |
Bank |  |
Tier 1 capital to risk-weighted assets |  |
Total capital to risk-weighted assets | 0.132 | 0.136
Common equity tier 1 capital to risk-weighted assets | 12.20% | 12.60%
Tier 1 capital to risk-weighted assets | 0.122 | 0.126
Tier 1 capital to average assets | 0.098 | 0.102

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