Income Taxes - Deferred Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Document Fiscal Year Focus	2015
Deferred Tax Assets, Net [Abstract]
Investments in real estate partnerships	$ 1,676	$ 8,427
Provision for impairment	6,242	3,299
Deferred interest expense	2,714	2,538
Capitalized costs under Section 263A	1,157	1,832
Employee benefits	148	385
Other	2,376	1,370
Deferred tax assets	14,313	17,851
Valuation allowance	(13,746)	(17,302)
Deferred tax assets, net	567	549
Deferred Tax Liabilities, Net [Abstract]
Straight line rent	567	549
Deferred tax liabilities	567	549
Net deferred tax assets	$ 0	$ 0