Income Taxes and Distributions (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
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	$ (2,144)	$ (1,577)	$ (29)
Operating loss and interest deduction carryforwards	8,552	1,488	7,080
Expense accruals and other	4,372	5,749	1,980
Valuation allowance	12,199	2,965	7,697	7,380
Totals	$ (1,419)	$ 2,695	$ 1,334

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount of deferred tax liability attributable to taxable temporary differences from other capitalized costs not separately disclosed.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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- Definition

The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.

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