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Income Taxes (Details Textual) (USD $)	12 Months Ended
Income Taxes (Details Textual) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule Of Income Taxes [Line Items]
Tax Credit Carryforward, Deferred Tax Asset			$ 100,000
Income Tax Expense (Benefit)	1,866,000	564,000	(80,000)
Operating Partnership [Member]
Schedule Of Income Taxes [Line Items]
Income Tax Expense (Benefit)	$ (400,000)	$ 0	$ 0

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

The cumulative amount of future tax effects arising from the unused tax credit carryforward that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward is the amount by which tax credits available for utilization exceed statutory limitations.

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