Income Taxes (Effective Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Statutory federal income tax rate									$ 649	$ 184	$ 1,635
State income taxes, net of federal effect									(240)	(189)	(657)
Deferred tax true-up									8,078	0	0
Change in deferred tax asset valuation allowance									(6,729)	2,094	(904)
Foreign taxes in excess of U.S. statutory rate									(223)	714	1,784
Compensation deduction limitation									(1,201)	381	820
Other, net									35	57	77
Total	$ (803)	$ 421	$ 296	$ 455	$ 2,388	$ 554	$ 186	$ 113	$ 369	$ 3,241	$ 2,755