Income Taxes - Components of Income Tax Expense (Benefit) by Jurisdiction and by Classification (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. Federal
Current	$ 247	$ (936)	$ (3,214)
Deferred	2,571	19	(2,174)
Total	2,818	(917)	(5,388)
State and local
Current	599	238	220
Deferred	(702)	(258)	528
Total	(103)	(20)	748
Current Foreign Tax Expense (Benefit)	460
Deferred Foreign Income Tax Expense (Benefit)	0
Foreign Income Tax Expense (Benefit), Continuing Operations	460
Total Income Taxes
Current	1,306	(698)	(2,994)
Deferred	1,869	(239)	(1,646)
Total	$ 3,175	$ (937)	$ (4,640)