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REGULATORY CAPITAL MATTERS - Actual and Required Capital Amounts and Ratios (Details) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Banc of California, NA |  |
Total risk-based capital |  |
Total risk-based capital ratio, actual amount | $ 1,201,884 | $ 1,195,050
Total risk-based capital ratio, actual ratio (percent) | 0.1602 | 0.1571
Total risk-based capital ratio, minimum capital requirements amount | $ 600,116 | $ 608,740
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 | $ 750,145 | $ 760,925
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 | $ 1,121,049 | $ 1,110,767
Tier 1 risk-based capital ratio, actual ratio (percent) | 0.1494 | 0.1460
Tier 1 risk-based capital ratio, minimum capital requirements amount | $ 450,087 | $ 456,555
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 | $ 600,116 | $ 608,740
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 | $ 1,121,049 | $ 1,110,767
Common equity tier 1 capital ratio, actual ratio (percent) | 0.1494 | 0.1460
Common equity tier 1 capital ratio, minimum capital requirements amount | $ 337,565 | $ 342,416
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 | $ 487,594 | $ 494,601
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 | $ 1,121,049 | $ 1,110,767
Tier 1 leverage ratio, actual ratio (percent) | 0.1225 | 0.1206
Tier 1 leverage ratio, minimum capital requirements amount | $ 365,989 | $ 368,306
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 | $ 457,486 | $ 460,382
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 | $ 1,069,180 | $ 1,140,480
Total risk-based capital ratio, actual ratio (percent) | 0.1421 | 0.1498
Total risk-based capital ratio, minimum capital requirements amount | $ 601,941 | $ 609,062
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 | $ 887,717 | $ 955,747
Tier 1 risk-based capital ratio, actual ratio (percent) | 0.1180 | 0.1255
Tier 1 risk-based capital ratio, minimum capital requirements amount | $ 451,456 | $ 456,796
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 | $ 887,717 | $ 860,841
Common equity tier 1 capital ratio, actual ratio (percent) | 0.1180 | 0.1131
Common equity tier 1 capital ratio, minimum capital requirements amount | $ 338,592 | $ 342,597
Common equity tier 1 capital ratio, minimum capital requirements ratio (percent) | 4.50% | 4.50%
Tier 1 leverage |  |
Tier 1 leverage ratio, actual amount | $ 887,717 | $ 955,747
Tier 1 leverage ratio, actual ratio (percent) | 0.0970 | 0.1037
Tier 1 leverage ratio, minimum capital requirements amount | $ 365,892 | $ 368,610
Tier 1 leverage ratio, minimum capital requirements ratio (percent) | 0.0400 | 0.0400

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