Income Taxes and Distributions (Details 3) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Tax effect of temporary differences
Property, primarily differences in depreciation and amortization, the tax basis of land assets and the treatment of interests and certain costs	$ (7,089)	$ (30,564)	$ (1,020)
Operating loss and interest deduction carryforwards	82,469	75,455	47,528
Expense accruals and other	15,978	6,259	26,191
Valuation allowance	(96,838)	(98,966)	(85,207)	$ (71,955)
Deferred Tax Liabilities	$ (5,480)	$ (47,816)	$ (12,508)