Class A Common Units (Detail Textual) (USD $)	1 Months Ended	11 Months Ended	12 Months Ended		11 Months Ended	12 Months Ended			0 Months Ended
	May 31, 2008 project	Dec. 31, 2013 projects	Jan. 31, 2013	Jan. 31, 2012	Dec. 31, 2013 Common Class A	Jan. 31, 2013 Common Class A	Jan. 31, 2012 Common Class A	Nov. 08, 2006 Common Class A property	Jan. 02, 2014 BCR Transaction [Member] project
Number of retail, office and residential operating properties								30
Class A Common Units outstanding					3,646,755	3,646,755
Carrying value of Class A Common Units					$ 186,021,000	$ 186,021,000
Number of development projects		5
Number of projects	2								3
Payment for tax indemnification					0	0	1,074,000
Cost of interest transferred to affiliates of the company									14,286,000
Increase in investments in and advances to affiliates		32,078,000	(21,826,000)	298,492,000					14,286,000
Amount to be paid over 15 year period	121,000,000
Payment period of cost of interest transferred	15 years
Initial cash received by BCR entities	49,249,000
Initial discounted amount	56,495,000
Obligation included in accounts payable, accrued expenses and other liabilities		$ 13,013,000	$ 22,643,000