Fair Value - Schedule of Carrying Amounts and Estimated Fair Values of Financial Instrument (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financial Assets:
Securities available for sale	$ 244,119	$ 249,898
Loans held for sale	26,026	22,576
Derivative assets	439	184
Mortgage servicing rights	1,945	6,934
Level 1
Financial Assets:
Cash and due from banks	6,841	5,795
Interest-bearing cash equivalents	92,004	81,313
Financial Liabilities:
Advances by borrowers for taxes and insurance	6,537	11,774
Level 2
Financial Assets:
Securities available for sale	244,119	249,898
Loans held for sale	26,026	22,576
Derivative assets	439	184
Mortgage servicing rights	1,945	6,934
Financial Liabilities:
Deposits	711,225	706,000
Other borrowings	73,372	171,160
Level 3
Financial Assets:
Loans held for investment, net	737,551	661,600
Accrued interest receivable	5,729	5,506
Financial Liabilities:
Accrued interest payable	380	524
Carrying Amount
Financial Assets:
Cash and due from banks	6,841	5,795
Interest-bearing cash equivalents	92,004	81,313
Securities available for sale	244,119	249,898
Loans held for sale	26,026	22,576
Loans held for investment, net	750,653	659,481
Derivative assets	439	184
Mortgage servicing rights	1,078	2,231
Accrued interest receivable	5,729	5,506
Financial Liabilities:
Deposits	800,742	769,288
Advances by borrowers for taxes and insurance	6,537	11,774
Other borrowings	73,500	172,200
Accrued interest payable	380	524
Fair Value
Financial Assets:
Cash and due from banks	6,841	5,795
Interest-bearing cash equivalents	92,004	81,313
Securities available for sale	244,119	249,898
Loans held for sale	26,026	22,576
Loans held for investment, net	737,551	661,600
Derivative assets	439	184
Mortgage servicing rights	1,945	6,934
Accrued interest receivable	5,729	5,506
Financial Liabilities:
Deposits	711,225	706,000
Advances by borrowers for taxes and insurance	6,537	11,774
Other borrowings	73,372	171,160
Accrued interest payable	$ 380	$ 524