Earnings Per Share - (Computations for Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Income from continuing operations	$ 49,432	$ 66,103	$ 55,668
Loss on discontinued operations, net of income taxes			(6,329)
NET INCOME	$ 49,432	$ 66,103	$ 49,339
Weighted-average common shares outstanding — basic	65,587	64,743	63,597
Effect of stock options and restricted stock units	714	1,129	1,445
Weighted-average common shares outstanding — diluted	66,301	65,872	65,042
Earnings per share from continuing operations — basic	$ 0.75	$ 1.02	$ 0.88
Earnings per share from continuing operations — diluted	$ 0.75	$ 1.00	$ 0.86