SUBSEQUENT EVENTS (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended
	Sep. 30, 2013 property	Nov. 30, 2013 Subsequent event Existing joint venture	Nov. 01, 2013 Subsequent event Existing joint venture property	Oct. 31, 2013 Subsequent event Georgia 1 Property Acquired 2013/10/15 property	Oct. 15, 2013 Subsequent event Georgia 1 Property Acquired 2013/10/15	Oct. 31, 2013 Subsequent event North Carolina 1 Property Acquired 2013/10/15 property	Oct. 15, 2013 Subsequent event North Carolina 1 Property Acquired 2013/10/15	Nov. 30, 2013 Subsequent event Various states, 16 Property Acquired 2013/11/04 property	Nov. 04, 2013 Subsequent event Various states, 16 Property Acquired 2013/11/04
SUBSEQUENT EVENTS
Number of Properties	28			1		1		16
Total Consideration Paid	$ 278,424				$ 12,400		$ 5,500		$ 96,385
Ownership interest acquired in joint venture (as a percent)			49.00%
Cash paid for acquiring equity interest in the joint venture		$ 94,000
Ownership in the joint venture (as a percent)			99.00%
Number of self-storage properties owned by the joint venture			19