Basis of Presentation - Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earning Per Share Basic And Diluted [Abstract]
Weighted average shares outstanding	5,760,962	5,839,562
Weighted average director stock equivalent shares	113,519	114,783
Basic shares	5,874,481	5,954,345
Dilutive shares	402,650	419,650
Diluted shares	6,277,131	6,373,995
Net income	$ 2,107	$ 2,072
Basic net income per share	$ 0.36	$ 0.35
Diluted net income per share	$ 0.34	$ 0.33