EARNINGS PER COMMON SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Common stock	Sep. 30, 2014 Common stock	Sep. 30, 2014 Operating Partnership, as General Partner or Managing Member	Dec. 31, 2013 Operating Partnership, as General Partner or Managing Member	Sep. 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 (in shares)							2,863,331	1,457,467	188	188
Antidilutive securities excluded from computation of earnings per share, amount (in shares)					25,067	25,067
Numerator
Income from continuing operations	$ 28,564	$ 8,895	$ 61,524	$ 26,451
Less: net income attributable to participating securities	(490)	(157)	(1,083)	(468)
Income from continuing operations, net of income attributable to participating securities	$ 28,074	$ 8,738	$ 60,441	$ 25,983
Denominator
Weighted average shares for basic earnings per share (in shares)	59,686,000	55,460,000	57,898,000	54,697,000
Effect of dilutive securities:
Employee Restricted Share Units and share options (in shares)	18,000	26,000	26,000	41,000
Convertible Preferred OP Units (in shares)	25,000	0	25,000	0
Denominator for diluted earnings per share (in shares)	59,729,000	55,486,000	57,949,000	54,738,000
Basic earnings per Common Share from continuing operations attributable to Common Shareholders (in dollars per share)	$ 0.47	$ 0.16	$ 1.04	$ 0.47
Diluted earnings per Common Share from continuing operations attributable to Common Shareholders (in dollars per share)	$ 0.47	$ 0.16	$ 1.04	$ 0.47