Fair Value of Financial Instruments (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Assets:
Cash and due from banks	$ 13,369,000	$ 16,632,000
Certificates of deposit in other banks	1,000,000	1,000,000
Loans held for sale	1,000.0	616,000
Deposits:
Non-interest bearing demand	425,433,000	423,568,000
Savings, interest checking and money market	788,316,000	827,069,000
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash and due from banks	13,369,000	16,632,000
Federal funds sold and overnight interest bearing deposits	88,549,000	87,680,000
Certificates of deposit in other banks	1,000,000	1,000,000
Other investment securities	0	0
Loans, net	0	0
Loans held for sale	0	0
Accrued interest receivable	8,333,000	8,447,000
Total assets	111,251,000	113,759,000
Deposits:
Non-interest bearing demand	425,433,000	423,568,000
Savings, interest checking and money market	788,316,000	827,069,000
Time deposits	0	0
FHLB advances and other borrowings	86,000	86,000
Subordinated notes	0	0
Accrued interest payable	1,704,000	1,625,000
Total liabilities	1,215,539,000	1,252,348,000
Other Observable Inputs (Level 2)
Assets:
Cash and due from banks	0	0
Federal funds sold and overnight interest bearing deposits	0	0
Certificates of deposit in other banks	0	0
Other investment securities	5,556,000	5,910,000
Loans, net	0	0
Loans held for sale	1,000	616,000
Accrued interest receivable	0	0
Total assets	5,557,000	6,526,000
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	0	0
FHLB advances and other borrowings	93,154,000	102,028,000
Subordinated notes	43,403,000	43,829,000
Accrued interest payable	0	0
Total liabilities	136,557,000	145,857,000
Net Significant Unobservable Inputs (Level 3)
Assets:
Cash and due from banks	0	0
Federal funds sold and overnight interest bearing deposits	0	0
Certificates of deposit in other banks	0	0
Other investment securities	0	0
Loans, net	1,461,601,000	1,445,226,000
Loans held for sale	0	0
Accrued interest receivable	0	0
Total assets	1,461,601,000	1,445,226,000
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	302,985,000	302,189,000
FHLB advances and other borrowings	0	0
Subordinated notes	0	0
Accrued interest payable	0	0
Total liabilities	302,985,000	302,189,000
Carrying amount
Assets:
Cash and due from banks	13,369,000	16,632,000
Federal funds sold and overnight interest bearing deposits	88,549,000	87,680,000
Certificates of deposit in other banks	1,000,000	1,000,000
Other investment securities	5,556,000	5,910,000
Loans, net	1,433,238,000	1,465,681,000
Loans held for sale	1,000	616,000
Accrued interest receivable	8,333,000	8,447,000
Total assets	1,550,046,000	1,585,966,000
Deposits:
Non-interest bearing demand	425,433,000	423,568,000
Savings, interest checking and money market	788,316,000	827,069,000
Time deposits	304,567,000	303,512,000
FHLB advances and other borrowings	94,376,000	102,086,000
Subordinated notes	49,486,000	49,486,000
Accrued interest payable	1,704,000	1,625,000
Total liabilities	1,663,882,000	1,707,346,000
Fair value
Assets:
Cash and due from banks	13,369,000	16,632,000
Federal funds sold and overnight interest bearing deposits	88,549,000	87,680,000
Certificates of deposit in other banks	1,000,000	1,000,000
Other investment securities	5,556,000	5,910,000
Loans, net	1,461,601,000	1,445,226,000
Loans held for sale	1,000	616,000
Accrued interest receivable	8,333,000	8,447,000
Total assets	1,578,409,000	1,565,511,000
Deposits:
Non-interest bearing demand	425,433,000	423,568,000
Savings, interest checking and money market	788,316,000	827,069,000
Time deposits	302,985,000	302,189,000
FHLB advances and other borrowings	93,240,000	102,114,000
Subordinated notes	43,403,000	43,829,000
Accrued interest payable	1,704,000	1,625,000
Total liabilities	$ 1,655,081,000	$ 1,700,394,000