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REGULATORY CAPITAL MATTERS - Actual and Required Capital Amounts and Ratios (Details) $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Banc of California, NA |  |
Total risk-based capital |  |
Total risk-based capital ratio, actual amount | $ 1,195,050 | $ 1,011,587
Total risk-based capital ratio, actual ratio (percent) | 0.1571 | 0.1727
Total risk-based capital ratio, minimum capital requirements amount | $ 608,740 | $ 468,698
Total risk-based capital ratio, minimum capital requirements ratio (percent) | 0.0800 | 0.0800
Total risk-based capital ratio, minimum required to be well capitalized under prompt corrective action provisions amount | $ 760,925 | $ 585,873
Total risk-based capital ratio, minimum required to be well capitalized under prompt corrective action provisions ratio (percent) | 0.1000 | 0.1000
Tier 1 risk-based capital |  |
Tier 1 risk-based capital ratio, actual amount | $ 1,110,767 | $ 938,346
Tier 1 risk-based capital ratio, actual ratio (percent) | 0.1460 | 0.1602
Tier 1 risk-based capital ratio, minimum capital requirements amount | $ 456,555 | $ 351,524
Tier 1 risk-based capital ratio, minimum capital requirements ratio (percent) | 0.0600 | 0.0600
Tier 1 risk-based capital ratio, minimum required to be well capitalized under prompt corrective action provisions amount | $ 608,740 | $ 468,698
Tier 1 risk-based capital ratio, minimum required to be well capitalized under prompt corrective action provisions ratio (percent) | 0.0800 | 0.0800
Common equity tier 1 capital |  |
Common equity tier 1 capital ratio, actual amount | $ 1,110,767 | $ 938,346
Common equity tier 1 capital ratio, actual ratio (percent) | 0.1460 | 0.1602
Common equity tier 1 capital ratio, minimum capital requirements amount | $ 342,416 | $ 263,643
Common equity tier 1 capital ratio, minimum capital requirements ratio (percent) | 4.50% | 4.50%
Common equity tier 1 capital ratio, minimum required to be well capitalized under prompt corrective action provisions amount | $ 494,601 | $ 380,817
Common equity tier 1 capital ratio, minimum required to be well capitalized under prompt corrective action provisions ratio (percent) | 6.50% | 6.50%
Tier 1 leverage |  |
Tier 1 leverage ratio, actual amount | $ 1,110,767 | $ 938,346
Tier 1 leverage ratio, actual ratio (percent) | 0.1206 | 0.1219
Tier 1 leverage ratio, minimum capital requirements amount | $ 368,306 | $ 307,894
Tier 1 leverage ratio, minimum capital requirements ratio (percent) | 0.0400 | 0.0400
Tier 1 leverage ratio, minimum required to be well capitalized under prompt corrective action provisions amount | $ 460,382 | $ 384,868
Tier 1 leverage ratio, minimum required to be well capitalized under prompt corrective action provisions ratio (percent) | 0.0500 | 0.0500
Banc of California, Inc. |  |
Total risk-based capital |  |
Total risk-based capital ratio, actual amount | $ 1,140,480 | $ 996,466
Total risk-based capital ratio, actual ratio (percent) | 0.1498 | 0.1701
Total risk-based capital ratio, minimum capital requirements amount | $ 609,062 | $ 468,628
Total risk-based capital ratio, minimum capital requirements ratio (percent) | 0.0800 | 0.0800
Tier 1 risk-based capital |  |
Tier 1 risk-based capital ratio, actual amount | $ 955,747 | $ 840,501
Tier 1 risk-based capital ratio, actual ratio (percent) | 0.1255 | 0.1435
Tier 1 risk-based capital ratio, minimum capital requirements amount | $ 456,796 | $ 351,471
Tier 1 risk-based capital ratio, minimum capital requirements ratio (percent) | 0.0600 | 0.0600
Common equity tier 1 capital |  |
Common equity tier 1 capital ratio, actual amount | $ 860,841 | $ 655,623
Common equity tier 1 capital ratio, actual ratio (percent) | 0.1131 | 0.1119
Common equity tier 1 capital ratio, minimum capital requirements amount | $ 342,597 | $ 263,603
Common equity tier 1 capital ratio, minimum capital requirements ratio (percent) | 4.50% | 4.50%
Tier 1 leverage |  |
Tier 1 leverage ratio, actual amount | $ 955,747 | $ 840,501
Tier 1 leverage ratio, actual ratio (percent) | 0.1037 | 0.1090
Tier 1 leverage ratio, minimum capital requirements amount | $ 368,610 | $ 308,555
Tier 1 leverage ratio, minimum capital requirements ratio (percent) | 0.0400 | 0.0400

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