Fair Value Measurements - Estimated Fair Values of Company's Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financial assets
Cash and cash equivalents	$ 37,570	$ 40,770
Loans, net of allowance	480,525	479,318
Federal Home Loan Bank stock	4,026	3,979
Accrued interest receivable	4,085	4,098
Financial liabilities
Deposits	623,189	621,459
Securities sold under agreements to repurchase	30,436	26,781
Subordinated debentures	23,817	23,787
Advances Federal Home Loan Bank	75,000	75,000
Interest payable	575	579
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets
Cash and cash equivalents	37,570	40,770
Loans, net of allowance	0	0
Federal Home Loan Bank stock	0	0
Accrued interest receivable	0	0
Financial liabilities
Deposits	0	0
Securities sold under agreements to repurchase	0	0
Subordinated debentures	0	0
Advances Federal Home Loan Bank	0	0
Interest payable	0	0
Significant Other Observable Inputs (Level 2)
Financial assets
Cash and cash equivalents	0	0
Loans, net of allowance	0	0
Federal Home Loan Bank stock	4,026	3,979
Accrued interest receivable	4,085	4,098
Financial liabilities
Deposits	625,014	623,813
Securities sold under agreements to repurchase	30,436	26,781
Subordinated debentures	22,277	22,146
Advances Federal Home Loan Bank	74,024	74,911
Interest payable	575	579
Significant Unobservable Inputs (Level 3)
Financial assets
Cash and cash equivalents	0	0
Loans, net of allowance	459,062	459,759
Federal Home Loan Bank stock	0	0
Accrued interest receivable	0	0
Financial liabilities
Deposits	0	0
Securities sold under agreements to repurchase	0	0
Subordinated debentures	0	0
Advances Federal Home Loan Bank	0	0
Interest payable	$ 0	$ 0

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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