Income Taxes (Benefit of) Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Provision for income taxes	$ 366	$ 2,123	$ 1,519
Deferred:
Total deferred	2,968	3,786	4,120
Provision for income taxes	25,046	24,468	18,153
Continuing Operations
Current:
U.S. Federal	16,137	16,505	10,394
State	5,009	4,071	3,547
Foreign	932	106	92
Total current	22,078	20,682	14,033
Deferred:
U.S. Federal	1,766	3,620	3,740
State	134	672	486
Foreign	1,068	(506)	(106)
Total deferred	2,968	3,786	4,120
Provision for income taxes	25,046	24,468	18,153
Discontinued Operations
Current:
U.S. Federal	362	1,345	885
State	139	57	4
Foreign	214	1,725	1,447
Total current	715	3,127	2,336
Provision for income taxes	366	2,123	1,519
Deferred:
U.S. Federal	(340)	(876)	(823)
State	2	10	23
Foreign	(11)	(138)	(17)
Total deferred	$ (349)	$ (1,004)	$ (817)