Notes and Other Receivables (Details) (USD $)	12 Months Ended		12 Months Ended				12 Months Ended		12 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended	3 Months Ended
	Dec. 31, 2013 Note	Dec. 31, 2012	Dec. 31, 2013 Secured Due December 2014 [Member]		Dec. 31, 2012 Secured Due December 2014 [Member]		Dec. 31, 2013 Secured Due May 2013 [Member]	Dec. 31, 2012 Secured Due May 2013 [Member]	Dec. 31, 2013 Secured Due March 2013 [Member]	Dec. 31, 2012 Secured Due March 2013 [Member]	Dec. 31, 2013 Secured Effective March 2013 [Member]	Dec. 31, 2012 Secured Effective March 2013 [Member]	Mar. 31, 2013 Wesco III [Member]	Dec. 31, 2013 Wesco III [Member] Loan	Jun. 30, 2013 Fund II [Member]	Dec. 31, 2013 Note and Other Receivables From Affiliates [Member]		Dec. 31, 2012 Note and Other Receivables From Affiliates [Member]		Dec. 31, 2013 Other Receivables [Member]	Dec. 31, 2012 Other Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 68,255,000	$ 66,163,000	$ 3,212,000	[1]	$ 3,212,000	[1]	$ 0	$ 971,000	$ 0	$ 10,800,000	$ 0	$ 18,499,000				$ 60,968,000	[2]	$ 28,896,000	[2]	$ 4,075,000	$ 3,785,000
Stated interest rate (in hundredths)			4.00%				8.00%		8.80%		9.60%
Short term Bridge Loan														56,800,000	42,400,000
Variable rate basis														LIBOR	LIBOR
Basis spread on rate (in hundredths)		2.50%												2.50%	1.75%
Number of bridge loan														2
Number of notes for which payment was received	3
Proceeds from notes receivable	30,500,000												26,000,000
Income related to acceleration	$ 800,000

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

[2] During the second quarter of 2013, the Company provided a short-term bridge loans to Fund II $42.4 million at a rate of LIBOR + 1.75%. In July 2013, Fund II repaid the Company for $42.4 million in short term loans. The Company has provided two bridge loans totaling $56.8 million to Wesco III at a rate of LIBOR + 2.50%, permanent financing is expected to be placed on the Gas Company Lofts and Regency at Mt. View by the end of Q1 2014. In January 2014, WESCO III repaid the loan on Gas Company Lofts.