Earnings per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 18,578	$ 17,016	$ 56,990	$ 54,850
Denominator for basic earnings per share - weighted average shares outstanding	29,133	29,479	29,264	29,411
Effect of dilutive securities—stock options and restricted stock units	213	79	153	95
Denominator for diluted earnings per share—adjusted weighted-average shares outstanding	29,346	29,558	29,417	29,506
Basic earnings per share	$ 0.64	$ 0.58	$ 1.95	$ 1.86
Diluted earnings per share	$ 0.63	$ 0.58	$ 1.94	$ 1.86
Average antidilutive options and restricted stock units excluded from computation of diluted earnings per share	195	540	228	432