Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 0	$ 2	$ (496)
State and local	125	(79)	70
Foreign	2,789	3,096	4,148
Total current income tax expense (benefit)	2,914	3,019	3,722
Deferred:
Federal	2,382	3,824	3,396
State and local	(316)	209	611
Foreign	1,582	(1,117)	(1,301)
Total deferred income tax expense (benefit)	3,648	2,916	2,706
Income tax expense	6,562	5,935	6,428
U.S. and foreign income (loss) from continuing operations before income taxes
United States	2,077	(1,600)	(3,487)
Foreign	8,077	(11,222)	2,308
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	10,154	(12,822)	(1,179)
Reconciliation of income tax expense (benefit) to amounts computed by applying the statutory U.S. Federal income tax rate to income (loss) before income taxes
Income tax expense (benefit) at the federal statutory rate of 35%	$ 3,554	$ (4,488)	$ (413)
Federal statutory rate (as a percent)	35.00%	35.00%	35.00%
Increase (decrease) resulting from:
State income taxes, net of federal income tax benefit	$ (235)	$ 95	$ 443
Non-deductible other costs	1,353	2,623	1,329
Valuation allowance	515	6,200	6,752
Foreign cash repatriation	1,245	(530)	(2,783)
Impact of foreign tax	(822)	(5,719)	(1,002)
Provision for uncertain tax position	914	8,621	2,208
Other	38	(867)	(106)
Income tax expense	6,562	5,935	$ 6,428
Deferred tax assets:
Accrued expenses	6,070	10,741
Federal tax credit carryforwards	18,587	16,944
U.S. net operating loss (NOL) carryforwards	19,311	18,452
Foreign NOL carryforwards	8,127	8,818
Other	6,508	5,714
Total gross deferred tax assets	58,603	60,669
Less valuation allowance	(55,978)	(56,942)
Deferred tax assets, net	2,625	3,727
Deferred tax liabilities:
Goodwill	(30,013)	(27,947)
Other	(2,373)	(1,830)
Total gross deferred tax liabilities	(32,386)	(29,777)
Net deferred tax liability	$ (29,761)	$ (26,050)