Net Income per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Net Income per Share
Net Income (Loss)	$ 11,505	$ 10,905	$ 9,454	$ 9,586	$ 9,770	$ 9,950	$ 9,700	$ 10,287	$ 41,450	$ 39,707
Weighted average common shares outstanding - Basic (in shares)									10,031	10,207
Plus: Potential dilutive common stock equivalents (in shares)									171	131
Weighted average common shares outstanding - Diluted (in shares)									10,202	10,338
Net income per common share - Basic (in dollars per share)	$ 1.15	$ 1.09	$ 0.94	$ 0.95	$ 0.97	$ 0.98	$ 0.96	$ 0.98	$ 4.13	$ 3.89
Net income per common share - Diluted (in dollars per share)	$ 1.13	$ 1.07	$ 0.92	$ 0.94	$ 0.96	$ 0.97	$ 0.95	$ 0.96	$ 4.06	$ 3.84