Income Taxes - Effective tax rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Calculation of income tax and the effective tax rate
Income Tax Expense at Statutory Rates	$ (302)	$ 199
Bank Owned Life Insurance	(63)	(54)
Other	7	4
Total	$ (358)	$ 149
Calculation of income tax and the effective tax rate (in percent)
Income Tax Expense at Statutory Rates	21.00%	21.00%
Bank Owned Life Insurance	4.40%	(5.70%)
Other	(0.50%)	0.40%
Net	24.90%	15.70%