CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Relationship with Brandywine Construction & Management, Inc. (“BCMI”)) (Details) (Brandywine Construction & Management, Inc. (BCMI) [Member], USD $) In Thousands, unless otherwise specified	1 Months Ended
	Nov. 30, 2012	Mar. 31, 2013 Real_Estate_Investment_Trust
Brandywine Construction & Management, Inc. (BCMI) [Member]
Related Party Transaction [Line Items]
Number of entities managed by related parties		1
Costs and Expenses, Related Party	$ 95