Borrowings - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Federal Home Loan Bank, Advance, Maturity, Year One	$ 80,000
Federal Home Loan Bank, Advance, Maturity, Year Two	90,000	$ 80,000
Federal Home Loan Bank, Advance, Maturity, Year Three	35,000	90,000
Federal Home Loan Bank, Advance, Maturity, Year Four	30,000	35,000
Federal Home Loan Bank, Advance, Maturity, Year Five		30,000
Long-term debt outstanding	$ 255,354	$ 255,333
Federal Home Loan Bank, Advance, Maturity, Average Interest Rate, Year Two	4.55%	4.71%
Federal Home Loan Bank, Advance, Maturity, Average Interest Rate, Year Three	4.23%	4.55%
Federal Home Loan Bank, Advance, Maturity, Average Interest Rate, Year Four	4.25%	4.23%
Federal Home Loan Bank, Advance, Maturity, Average Interest Rate, Year Five		4.25%
Weighted average rate percentage	4.52%	4.52%
Federal Home Loan Bank, Advance, Maturity, Average Interest Rate, Year One	4.71%
Subordinated debt
Debt Instrument [Line Items]
Long-term debt outstanding	$ 15,000	$ 15,000
Debt Instrument, Interest Rate, Effective Percentage	4.00%	4.00%
Trust preferred subordinated debt, FCBI \| Subordinated debt
Debt Instrument [Line Items]
Long-term debt outstanding	$ 5,354	$ 5,333
Debt Instrument, Interest Rate, Effective Percentage	6.20%	6.25%

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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