Income Taxes - Components of Income Tax Expense (Benefit) by Jurisdiction and by Classification (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Operating Loss Carryforwards [Line Items]
Effective income tax rate			53.80%	34.00%
U.S. Federal
Current	$ 340	$ 463	$ 340	$ (2,721)
Deferred	(1,465)	(1,337)	(2,079)	(3,788)
Total	(1,125)	(874)	(1,739)	(6,509)
State and local
Current	52	(61)	138	(68)
Deferred	(427)	50	(560)	(364)
Total	(375)	(11)	(422)	(432)
Total Income Taxes
Current	392	402	478	(2,789)
Deferred	(1,892)	(1,287)	(2,639)	(4,152)
Total	$ (1,500)	$ (885)	$ (2,161)	$ (6,941)