Income Taxes - Deferred Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Document Fiscal Year Focus	2013
Deferred Tax Assets, Net [Abstract]
Investments in real estate partnerships	$ 8,314	$ 8,116
Provision for impairment	3,273	5,667
Deferred interest expense	4,295	4,507
Capitalized costs under Section 263A	2,184	2,637
Net operating loss carryforward	2,019	1,033
Employee benefits	488	838
Other	887	435
Deferred tax assets	21,460	23,233
Valuation allowance	(20,603)	(22,114)
Deferred tax assets, net	857	1,119
Deferred Tax Liabilities, Net [Abstract]
Straight line rent	537	519
Depreciation	320	600
Deferred tax liabilities	857	1,119
Net deferred tax assets	$ 0	$ 0