Income Taxes and Distributions (Details 3) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
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	$ (30,564)	$ (1,020)	$ (34,236)
Operating loss and interest deduction carryforwards	75,455	47,528	67,215
Expense accruals and other	6,259	26,191	19,309
Valuation allowance	(98,966)	(85,207)	(71,955)	$ (12,199)
Totals	$ (47,816)	$ (12,508)	$ (19,667)