Summary of Significant Accounting Policies - Earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share
Net income	$ 1,993	$ 1,888
Less allocated earnings on non-vested restricted stock	(2)	(2)
Less allocated dividends on non-vested restricted stock	(88)	(81)
Net income allocated to common stockholders	$ 1,903	$ 1,805
Weighted Average Shares Outstanding, Basic	5,499,877	5,484,610
Weighted Average Shares Outstanding, Diluted	5,499,877	5,484,610
Basic earnings per share (in dollars per share)	$ 0.35	$ 0.33
Diluted earnings per share (in dollars per share)	$ 0.35	$ 0.33