Income Taxes (Reconciliation of Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Federal statutory tax rate	35.00%	35.00%	35.00%
Amount of tax computed using Federal statutory tax rate of 35% in all years	$ (55)	$ (14,365)	$ (45,807)
Non-taxable income	(88)	(169)	(196)
State income taxes, net of federal benefit	9,526	(1,769)	(5,627)
Valuation allowance on deferred tax assets	(34,359)	15,392	52,299
Reduction of deferred tax assets at Granite	28,293	0	0
Other	(1,991)	(128)	(28)
Total income tax (benefit) expense - continuing operations	$ 1,326	$ (1,039)	$ 641