Discontinued Operations Assets and Liabilities of the Variable Interest Entity Held for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 4,989	$ 5,813
Liabilities held for sale	4,008	5,197
Riverchase | Riverchase Village Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property and equipment, net	5,918	5,893
Other assets	0	31
Assets held for sale	5,918	5,924
Bonds payable	5,871	5,956
Liabilities held for sale	$ 5,871	$ 5,956