Basis of Presentation and Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Tax Treatment Of Dividend [Line Items]
Minimum Percentage of Taxable Income Distributed As Dividends				90.00%
Percentage Of Taxable Income Distributed				100.00%
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Line Items]
Deferred Tax Assets	$ 95,419			$ 95,419		$ 94,100
Proceeds from sale of real estate				10,731
Reversal of allowance for deferred tax assets		$ 90,030		(90,030)	$ 0
Income tax (expense) benefit	$ (2,856)		$ (2,652)	$ 84,245	$ (6,783)