Earnings Per Share - (Computations for Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 11,057	$ 8,814
Weighted-average common shares outstanding — basic	65,847	65,269
Effect of stock options and restricted stock units	589	890
Weighted-average common shares outstanding — diluted	66,436	66,159
Earnings per share — basic	$ 0.17	$ 0.14
Earnings per share — diluted	$ 0.17	$ 0.13