Fair Value Measurements -Schedule of Fair Value Hierarchy for Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
FINANCIAL ASSETS:
Available-for-sale securities	$ 7,689	$ 7,790
Held-to-maturity securities	1,711	1,712
Mortgage servicing rights	4,688	4,769	$ 4,612	$ 4,632
Level 1
FINANCIAL ASSETS:
Cash and cash equivalents	131,494	43,641
Available-for-sale securities	0	0
Held-to-maturity securities	0	0
Loans held-for-sale	0	0
Loans held-for-portfolio, net	0	0
Mortgage servicing rights	0	0
FINANCIAL LIABILITIES:
Time deposits	0	0
Borrowings	0	0
Subordinated notes	0	0
Level 2
FINANCIAL ASSETS:
Cash and cash equivalents	0	0
Available-for-sale securities	7,689	7,790
Held-to-maturity securities	1,711	1,712
Loans held-for-sale	2,267	487
Loans held-for-portfolio, net	0	0
Mortgage servicing rights	0	0
FINANCIAL LIABILITIES:
Time deposits	290,245	296,575
Borrowings	25,000	25,000
Subordinated notes	12,310	12,653
Level 3
FINANCIAL ASSETS:
Cash and cash equivalents	0	0
Available-for-sale securities	0	0
Held-to-maturity securities	0	0
Loans held-for-sale	0	0
Loans held-for-portfolio, net	840,425	850,813
Mortgage servicing rights	4,688	4,769
FINANCIAL LIABILITIES:
Time deposits	0	0
Borrowings	0	0
Subordinated notes	0	0
Carrying Value
FINANCIAL ASSETS:
Cash and cash equivalents	131,494	43,641
Available-for-sale securities	7,689	7,790
Held-to-maturity securities	2,121	2,130
Loans held-for-sale	2,267	487
Loans held-for-portfolio, net	877,833	891,672
Mortgage servicing rights	4,688	4,769
FINANCIAL LIABILITIES:
Time deposits	289,474	295,822
Borrowings	25,000	25,000
Subordinated notes	11,770	11,759
Estimated Fair Value
FINANCIAL ASSETS:
Cash and cash equivalents	131,494	43,641
Available-for-sale securities	7,689	7,790
Held-to-maturity securities	1,711	1,712
Loans held-for-sale	2,267	487
Loans held-for-portfolio, net	840,425	850,813
Mortgage servicing rights	4,688	4,769
FINANCIAL LIABILITIES:
Time deposits	290,245	296,575
Borrowings	25,000	25,000
Subordinated notes	$ 12,310	$ 12,653

This element represents the portion of time deposits valued at fair value by the entity.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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