Income Taxes (Benefit of) Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred:
Total deferred	$ (2,051)	$ (6,640)	$ (1,237)
Provision for income taxes	13,624	(2,958)	4,797
(Benefit of) provision for income taxes	(16)	(19)	(3)
Continuing Operations
Current:
U.S. Federal	12,294	1,684	3,635
State	2,010	1,265	1,507
Foreign	1,371	733	892
Total current	15,675	3,682	6,034
Deferred:
U.S. Federal	(178)	(6,373)	2,655
State	273	(203)	(2,847)
Foreign	(2,146)	(64)	(1,045)
Total deferred	(2,051)	(6,640)	(1,237)
Provision for income taxes	13,624	(2,958)	4,797
Discontinued Operations
Current:
U.S. Federal	(15)	(18)	(3)
State	(1)	(1)	0
Foreign	0	0	0
Deferred:
(Benefit of) provision for income taxes	$ (16)	$ (19)	$ (3)