Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current tax (credit) expense (credit):
Federal	$ (151,000)	$ 322,000	$ 16,498,000
State	18,000	36,000	1,903,000
Total current	(133,000)	358,000	18,401,000
Deferred tax expense (credit):
Federal	4,108,000	(894,000)	(1,278,000)
State	12,818,000	(146,000)	89,000
Total deferred	16,926,000	(1,040,000)	(1,189,000)
Total provision (credit) for income taxes	16,793,000	(682,000)	17,212,000
Reconciliation between taxes computed at the federal statutory rate and effective tax rate, percent
Federal statutory tax rate (as a percent)	35.00%	35.00%	35.00%
State taxes (net of federal tax benefits) (as a percent)	3.80%	6.00%	4.40%
State taxes due to rate change (as a percent)	(3.60%)		(1.30%)
Valuation allowance (as a percent)	(182.50%)
Domestic production activities deduction (as a percent)			(3.50%)
Executive compensation (as a percent)			3.20%
Other (as a percent)	(0.10%)	(10.60%)	2.80%
Effective tax rate - continuing operations (as a percent)	(147.40%)	30.40%	40.60%
Reconciliation between taxes computed at the federal statutory rate and effective tax rate, amount
Federal statutory tax rate	(3,987,000)	(786,000)	14,854,000
State taxes (net of federal tax benefits)	(431,000)	(135,000)	1,880,000
State taxes due to rate change	415,000		(554,000)
Valuation allowance	20,787,000
Domestic production activities deduction			(1,494,000)
Executive compensation			1,353,000
Other	9,000	239,000	1,173,000
Effective tax rate - continuing operations	16,793,000	(682,000)	17,212,000
Maximum
Operating loss carryovers
Penalties and interest expenses related to unrecognized tax benefits		100,000
Federal
Operating loss carryovers
Net operating loss carryovers	40,500,000
State
Operating loss carryovers
Net operating loss carryovers	$ 174,700,000