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Borrowings - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 30, 2021 | Jun. 30, 2024 | Mar. 15, 2024
Debt Instrument [Line Items] |  |  |
Bank par value |  | $ 11,600 |
Bank lines of credit |  | $ 192,000 |
Weighted average rate percentage |  | 4.52% |
Amount eligible to borrow from FHLB |  | $ 900,800 |
Amount available to borrow from FHLB |  | 639,600 |
Subordinated debt |  |  |
Debt Instrument [Line Items] |  |  |
Subordinated debt issued | $ 15,000 |  |
Basis spread on prime rate, percentage | 3.29% |  |
Interest rate percentage | 4.00% |  |
Debt Instrument, issuance price, percentage | 100.00% |  |
Trust preferred subordinated debt, FCBI | Subordinated debt |  |  |
Debt Instrument [Line Items] |  |  |
Subordinated debt issued |  | $ 6,000 |
Basis spread on prime rate, percentage |  | 1.63% |
Interest rate percentage |  |  | 7.23%

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