Investment in Real Estate (Details) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended				3 Months Ended
	Aug. 19, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Aug. 19, 2014	Dec. 31, 2013	Sep. 30, 2013 City Plaza	May 31, 2013 City Plaza
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Notes receivable, maximum principal						$ 140,000,000
Notes receivable, share of maximum principal, percentage						23.77%
Notes receivable, share of maximum principal, amount						33,300,000
Notes receivable, gross						28,500,000
Note receivable interest rate				11.00%
Commitment fee earned	400,000
Notes receivable, net		28,112,000		28,112,000			0
Sale price									56,000,000
Impairment loss from discontinued operations		$ 0	$ (145,000)	$ 0	$ (5,580,000)			$ (5,600,000)