Notes and Other Receivables (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 36,105,000		$ 68,255,000
Secured Due December 2014 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	3,212,000	[1]	3,212,000	[1]
Stated interest rate (in hundredths)	4.00%
Wesco III [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Variable rate basis	LIBOR + 2.50%
Basis spread on rate (in hundredths)	2.50%
Number of bridge loans	2
Short term Bridge Loan	56,800,000
Note and Other Receivables From Affiliates [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	25,854,000	[2]	60,968,000	[2]
Other Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 7,039,000		$ 4,075,000

[1] The borrower funds an impound account for capital replacement.

[2] The Company provided two bridge loans totaling $56.8 million to Wesco III at a rate of LIBOR + 2.50%. Wesco III repaid these two loans on Gas Company Lofts and Regency at Mt. View in January 2014 and April 2014, respectively.