Income Taxes - Components of Net Income Tax Asset (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Cost basis	$ 1,118	$ 386
Deferred income	247	151
Reserves	3,735	11,035
Goodwill	0	3,524
Excess interest expense carryforward	4,508	5,299
Net operating loss carryforward	5,829	6,805
Deferred Tax Assets, Gross	15,437	27,200
Valuation allowance	0	(18,021)
Total deferred tax assets	15,437	9,179
Built-in gain	(2,924)	(3,537)
Depreciation	(756)	(1,103)
Other	(546)	(267)
Total deferred tax liabilities	(4,226)	(4,907)
Net deferred tax asset	$ 11,211	$ 4,272