Earnings per Share (Schedule of Computation of Basic and Diluted Earnings per Share) (Details) - USD ($) 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	$ 74,516	$ 83,291	$ 59,928
Income (loss) from discontinued operations	1,113	(18,725)	5,163
Net income	$ 75,629	$ 64,566	$ 65,091
Weighted average shares outstanding (in shares)	32,873	32,664	32,389
Common stock options and restricted stock (in shares)	181	254	333
Weighted average shares and conversions (in shares)	33,054	32,918	32,722