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REGULATORY CAPITAL MATTERS - Actual and Required Capital Amounts and Ratios (Details) $ in Thousands | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
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Banc of California, NA |  |
Total risk-based capital |  |
Total risk-based capital ratio, actual amount | $ 1,011,587 | $ 1,007,762
Total risk-based capital ratio, actual ratio (percent) | 0.1727 | 0.1746
Total risk-based capital ratio, minimum capital requirements amount | $ 468,698 | $ 461,843
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 | $ 585,873 | $ 577,304
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 | $ 938,346 | $ 946,049
Tier 1 risk-based capital ratio, actual ratio (percent) | 0.1602 | 0.1639
Tier 1 risk-based capital ratio, minimum capital requirements amount | $ 351,524 | $ 346,382
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 | $ 468,698 | $ 461,843
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 | $ 938,346 | $ 946,049
Common equity tier 1 capital ratio, actual ratio (percent) | 0.1602 | 0.1639
Common equity tier 1 capital ratio, minimum capital requirements amount | $ 263,643 | $ 259,787
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 | $ 380,817 | $ 375,247
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 | $ 938,346 | $ 946,049
Tier 1 leverage ratio, actual ratio (percent) | 0.1219 | 0.1202
Tier 1 leverage ratio, minimum capital requirements amount | $ 307,894 | $ 314,707
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 | $ 384,868 | $ 393,383
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 | $ 996,466 | $ 921,892
Total risk-based capital ratio, actual ratio (percent) | 0.1701 | 0.1590
Total risk-based capital ratio, minimum capital requirements amount | $ 468,628 | $ 463,950
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 | $ 840,501 | $ 860,179
Tier 1 risk-based capital ratio, actual ratio (percent) | 0.1435 | 0.1483
Tier 1 risk-based capital ratio, minimum capital requirements amount | $ 351,471 | $ 347,963
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 | $ 655,623 | $ 670,355
Common equity tier 1 capital ratio, actual ratio (percent) | 0.1119 | 0.1156
Common equity tier 1 capital ratio, minimum capital requirements amount | $ 263,603 | $ 260,972
Common equity tier 1 capital ratio, minimum capital requirements ratio (percent) | 4.50% | 4.50%
Tier 1 leverage |  |
Tier 1 leverage ratio, actual amount | $ 840,501 | $ 860,179
Tier 1 leverage ratio, actual ratio (percent) | 0.1090 | 0.1089
Tier 1 leverage ratio, minimum capital requirements amount | $ 308,555 | $ 315,825
Tier 1 leverage ratio, minimum capital requirements ratio (percent) | 0.0400 | 0.0400

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