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, 2013	Dec. 31, 2012	Dec. 31, 2011
U.S. Federal
Current	$ (936)	$ (3,214)	$ (12,386)
Deferred	19	(2,174)	6,736
Total	(917)	(5,388)	(5,650)
State and local
Current	238	220	847
Deferred	(258)	528	(1,544)
Total	(20)	748	(697)
Total Income Taxes
Current	(698)	(2,994)	(11,539)
Deferred	(239)	(1,646)	5,192
Total	$ (937)	$ (4,640)	$ (6,347)