Borrowed Funds - Current Schedule (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Borrowed Funds
Total borrowings	$ 24,200,000	$ 19,030,000
Federal Home Loan Bank, Fixed rate, short term advances
Borrowed Funds
Total borrowings	$ 4,700,000	$ 12,630,000
Average interest rate (in percentage)	4.44%	5.43%
Federal Home Loan Bank, Fixed rate, fixed term advances
Borrowed Funds
Total borrowings	$ 19,500,000	$ 6,000,000
Average interest rate (in percentage)	3.82%	3.40%
Promissory note | Directors and officers of the company
Borrowed Funds
Total borrowings	$ 0	$ 400,000
Average interest rate (in percentage)	0.00%	7.00%