Income Taxes (Details 1)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal statutory tax rate	35.00%	35.00%	35.00%
Impairment	(29.20%)	0.00%	(23.60%)
State income taxes, net of Federal benefit	0.60%	4.60%	1.70%
Change in tax reserve	(0.10%)	(3.40%)	(0.50%)
Net change in state valuation allowance	0.00%	(0.60%)	(0.10%)
Other	(0.10%)	0.90%	0.10%
Effective tax rate	6.20%	36.50%	12.60%