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, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Income from continuing operations	$ 110,533	$ 82,406	$ 74,516
Income from discontinued operations	0	0	1,113
Net income	$ 110,533	$ 82,406	$ 75,629
Weighted average shares outstanding (in shares)	30,626	32,096	32,873
Common stock options and restricted stock (in shares)	159	96	181
Weighted average shares and conversions (in shares)	30,785	32,192	33,054