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REGULATORY CAPITAL MATTERS (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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Banc of California, NA |  |
Total risk-based capital |  |
Amount | $ 1,099,966 | $ 1,131,057
Ratio | 15.94% | 16.56%
Minimum Capital Requirement, Amount | $ 552,068 | $ 546,359
Minimum Capital Requirement, Ratio | 8.00% | 8.00%
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 690,085 | $ 682,949
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 10.00% | 10.00%
Tier 1 risk-based capital |  |
Amount | $ 1,037,936 | $ 1,078,008
Ratio | 15.04% | 15.78%
Minimum Capital Requirement, Amount | $ 414,051 | $ 409,769
Minimum Capital Requirement, Ratio | 6.00% | 6.00%
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 552,068 | $ 546,359
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 8.00% | 8.00%
Common equity tier 1 capital |  |
Amount | $ 1,037,936 | $ 1,078,008
Ratio | 15.04% | 15.78%
Minimum Capital Requirement, Amount | $ 310,538 | $ 307,327
Minimum Capital Requirement, Ratio | 4.50% | 4.50%
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 448,555 | $ 443,917
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 6.50% | 6.50%
Tier 1 leverage |  |
Amount | $ 1,037,936 | $ 1,078,008
Ratio | 10.29% | 10.67%
Minimum Capital Requirement, Amount | $ 403,522 | $ 404,060
Minimum Capital Requirement, Ratio | 4.00% | 4.00%
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 504,402 | $ 505,074
Minimum Required to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 5.00% | 5.00%
Banc of California, Inc. |  |
Total risk-based capital |  |
Amount | $ 970,217 | $ 1,002,200
Ratio | 14.05% | 14.56%
Minimum Capital Requirement, Amount | $ 552,550 | $ 550,499
Minimum Capital Requirement, Ratio | 8.00% | 8.00%
Tier 1 risk-based capital |  |
Amount | $ 908,187 | $ 949,151
Ratio | 13.15% | 13.79%
Minimum Capital Requirement, Amount | $ 414,412 | $ 412,874
Minimum Capital Requirement, Ratio | 6.00% | 6.00%
Common equity tier 1 capital |  |
Amount | $ 677,059 | $ 682,539
Ratio | 9.80% | 9.92%
Minimum Capital Requirement, Amount | $ 310,809 | $ 309,656
Minimum Capital Requirement, Ratio | 4.50% | 4.50%
Tier 1 leverage |  |
Amount | $ 908,187 | $ 949,151
Ratio | 8.99% | 9.39%
Minimum Capital Requirement, Amount | $ 404,082 | $ 404,339
Minimum Capital Requirement, Ratio | 4.00% | 4.00%

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