EARNINGS PER COMMON SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Common stock	Jun. 30, 2014 Operating Partnership, as General Partner or Managing Member	Dec. 31, 2013 Operating Partnership, as General Partner or Managing Member	Jun. 30, 2014 Operating Partnership, as General Partner or Managing Member Series A Preferred Stock	Dec. 31, 2013 Operating Partnership, as General Partner or Managing Member Series A Preferred Stock
Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Limited partners' common OP units						1,457,467	1,457,467	188	188
Antidilutive securities excluded from computation of earnings per share, amount					25,067
Numerator:
Income from continuing operations	$ 11,365	$ 7,967	$ 32,960	$ 17,558
Less: net income attributable to participating securities	(197)	(140)	(585)	(311)
Income from continuing operations net of income attributable to participating securities	$ 11,168	$ 7,827	$ 32,375	$ 17,247
Denominator
Weighted average shares for basic earnings per share (in shares)	58,013,000	55,171,000	56,989,000	54,309,000
Effect of dilutive securities:
Employee Restricted Share Units and share options (in shares)	19,000	37,000	28,000	48,000
Convertible Preferred OP Units (in shares)	0	0	25,000	0
Denominator for diluted earnings per share (in shares)	58,032,000	55,208,000	57,042,000	54,357,000
Basic earnings per Common Share from continuing operations attributable to Common Shareholders	$ 0.19	$ 0.14	$ 0.57	$ 0.32
Diluted earnings per Common Share from continuing operations attributable to Common Shareholders	$ 0.19	$ 0.14	$ 0.57	$ 0.32