Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Taxes
Effective tax rate (as a percent)			71.70%	5.90%
Federal statutory tax rate (as a percent)			35.00%	35.00%
Income tax expense reconciliation to federal statutory rate
Federal statutory tax rate (as a percent)			35.00%	35.00%
Expected tax expense (benefit)			$ 747,000	$ (72,029,000)
State and foreign income taxes, net of federal benefit			(463,000)	(1,787,000)
Non-deductible compensation			440,000	549,000
Non-deductible goodwill impairment				62,421,000
Change in uncertain tax positions			1,002,000
Change in valuation allowance			(50,000)	23,000,000
Other			(146,000)	(20,000)
Provision for income taxes	(308,000)	10,644,000	1,530,000	12,134,000
Liability for an uncertain tax position	1,000,000		1,000,000
Interest or penalties related to uncertain tax positions			300,000	0
Change in uncertain tax positions
Balance at beginning of period			3,797,000	100,000
Additions for tax positions related to prior periods			1,002,000
Balance at end of period	4,799,000	100,000	4,799,000	100,000
Deferred tax assets, operating loss carryforwards
Tax-effected carrying value of federal NOL carryforwards	32,200,000		32,200,000
Tax-effected carrying value of state NOL carryforwards	$ 5,300,000		$ 5,300,000