Earnings Per Share - Summary of weighted average number of shares outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net income	$ 22,273	$ 19,684	$ 45,436	$ 40,372
Denominator:
Weighted average common shares outstanding (in shares)	16,707	16,894	16,662	16,904
Weighted average dilutive securities (in shares)	102	176	155	237
Weighted average common shares outstanding, diluted (in shares)	16,809	17,070	16,817	17,141
Basic (in dollars per share)	$ 1.33	$ 1.17	$ 2.73	$ 2.39
Diluted (in dollars per share)	$ 1.33	$ 1.15	$ 2.70	$ 2.36