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Federal Home Loan Bank Advances and Long-Term Debt - Junior Subordinated Debt (Details) - Junior subordinated debt - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |
Aggregate Principal Amount of Trust Securities | $ 4,641 | $ 4,641
Aggregate Principal Amount of the Junior Subordinated Debt | $ 148,000 | 148,000
East West Capital Trust V |  |
Debt Instrument [Line Items] |  |
Stated Interest Rate, basis spread (as a percent) | 1.80% |
Current Rate | 6.49% |
Aggregate Principal Amount of Trust Securities | $ 464 | 464
Aggregate Principal Amount of the Junior Subordinated Debt | $ 15,000 | 15,000
East West Capital Trust VI |  |
Debt Instrument [Line Items] |  |
Stated Interest Rate, basis spread (as a percent) | 1.50% |
Current Rate | 6.27% |
Aggregate Principal Amount of Trust Securities | $ 619 | 619
Aggregate Principal Amount of the Junior Subordinated Debt | $ 20,000 | 20,000
East West Capital Trust VII |  |
Debt Instrument [Line Items] |  |
Stated Interest Rate, basis spread (as a percent) | 1.35% |
Current Rate | 6.12% |
Aggregate Principal Amount of Trust Securities | $ 928 | 928
Aggregate Principal Amount of the Junior Subordinated Debt | $ 30,000 | 30,000
East West Capital Trust VIII |  |
Debt Instrument [Line Items] |  |
Stated Interest Rate, basis spread (as a percent) | 1.40% |
Current Rate | 6.13% |
Aggregate Principal Amount of Trust Securities | $ 619 | 619
Aggregate Principal Amount of the Junior Subordinated Debt | $ 18,000 | 18,000
East West Capital Trust IX |  |
Debt Instrument [Line Items] |  |
Stated Interest Rate, basis spread (as a percent) | 1.90% |
Current Rate | 6.67% |
Aggregate Principal Amount of Trust Securities | $ 928 | 928
Aggregate Principal Amount of the Junior Subordinated Debt | $ 30,000 | 30,000
MCBI Statutory Trust I |  |
Debt Instrument [Line Items] |  |
Stated Interest Rate, basis spread (as a percent) | 1.55% |
Current Rate | 6.32% |
Aggregate Principal Amount of Trust Securities | $ 1,083 | 1,083
Aggregate Principal Amount of the Junior Subordinated Debt | $ 35,000 | $ 35,000

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