Borrowed Funds (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Borrowed Funds Narrative Data [Line Items]
Borrowed funds	$ 55,700,000	$ 50,000,000
FHLB borrowings interest rate	3.68%	4.41%
Advance from federal reserve bank	$ 10,000,000
FRB borrowings interest rate	4.85%
FHLB borrowing capacity, loans pledged	$ 343,700,000	$ 272,900,000
FHLB borrowing capacity, maximum available	235,500,000	170,400,000
FHLB borrowings and other credit subject to collateralization	99,600,000	93,500,000
FHLB borrowing capacity, unused and available	135,900,000	76,900,000
FHLB letters of credit, collateral for deposits	42,400,000	42,500,000
FHLB letters of credit, fees paid	44,000	34,000
Remaining borrowing capacity	551,000	551,000
Union
Borrowed Funds Narrative Data [Line Items]
Correspondent banks line of credit, maximum available	15,000,000
Company
Borrowed Funds Narrative Data [Line Items]
Correspondent banks line of credit, amount outstanding	$ 0	$ 0