Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Basic and Diluted Earnings:
Net income	$ 24,893	$ 26,034	$ 25,405	$ 24,996	$ 50,927	$ 50,401
Basic weighted-average shares outstanding (in shares)	30,721		32,119		31,045	32,237
Add: Stock awards (in shares)	33		132		54	157
Diluted weighted-average shares outstanding (in shares)	30,754		32,251		31,099	32,394
Basic earnings per share:
Earnings per common share - basic (in dollars per share)	$ 0.81		$ 0.79		$ 1.64	$ 1.56
Diluted earnings per share:
Earnings per common share - diluted (in dollars per share)	$ 0.81		$ 0.79		$ 1.64	$ 1.56
Number of antidilutive options (in shares)	686		18		578	1