Loans and Allowance for Credit Losses - Summary of Transactions in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 44,848	$ 39,813	$ 39,813
Provision for credit losses - loans	0	1,962
Charge-offs	(294)	(448)
Recoveries	188	119
Balance	44,742	41,446	44,848
Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	8,765	7,310	7,310
Provision for credit losses - loans	(122)	647
Charge-offs	0	0	0
Recoveries	18	0
Balance	8,661	7,957	8,765
Real Estate Portfolio Segment [Member] | Commercial and Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	17,422	15,299	15,299
Provision for credit losses - loans	575	387
Charge-offs	0	0	0
Recoveries	0	0
Balance	17,997	15,686	17,422
Real Estate Portfolio Segment [Member] | Construction, Land Development and Farmland [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	14,027	13,305	13,305
Provision for credit losses - loans	(674)	488
Charge-offs	0	0	0
Recoveries	3	4
Balance	13,356	13,797	14,027
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,809	1,170	1,170
Provision for credit losses - loans	14	54
Charge-offs	0	0	0
Recoveries	0	0
Balance	1,823	1,224	1,809
Commercial, Industrial and Agricultural Portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,533	1,437	1,437
Provision for credit losses - loans	(53)	118
Charge-offs	(6)	0	(30)
Recoveries	5	0
Balance	1,479	1,555	1,533
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,292	1,292	1,292
Provision for credit losses - loans	260	268
Charge-offs	(288)	(448)	(2,328)
Recoveries	162	115
Balance	$ 1,426	$ 1,227	$ 1,292