Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current
Federal	$ 147us-gaap_CurrentFederalTaxExpenseBenefit	$ (1,030)us-gaap_CurrentFederalTaxExpenseBenefit	$ 1,961us-gaap_CurrentFederalTaxExpenseBenefit
State	550	846	1,463
Total current	697us-gaap_CurrentIncomeTaxExpenseBenefit	(184)us-gaap_CurrentIncomeTaxExpenseBenefit	3,424us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Federal	20,138	(6,907)	(21,479)
State	5,159	(1,190)	(3,021)
Total deferred	25,297us-gaap_DeferredIncomeTaxExpenseBenefit	(8,097)us-gaap_DeferredIncomeTaxExpenseBenefit	(24,500)us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax expense/(benefit)	25,994us-gaap_IncomeTaxExpenseBenefit	(8,281)us-gaap_IncomeTaxExpenseBenefit	(21,076)us-gaap_IncomeTaxExpenseBenefit
Continuing Operations [Member]
Deferred
Total income tax expense/(benefit)	(15,098)	(7,299)	(30,282)
Tax Benefit of Taxable Subsidiary			(30,717)
Sale of Real Estate [Member]
Deferred
Total income tax expense/(benefit)	41,087	0	0
Discontinued Operations [Member]
Deferred
Total income tax expense/(benefit)	$ 5	$ (982)	$ 9,641

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