EARNINGS PER COMMON SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Common stock	Mar. 31, 2013 Operating Partnership, as General Partner or Managing Member	Dec. 31, 2012 Operating Partnership, as General Partner or Managing Member	Mar. 31, 2013 Operating Partnership, as General Partner or Managing Member Series A Preferred Stock	Dec. 31, 2012 Operating Partnership, as General Partner or Managing Member Series A Preferred Stock
Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Series A Preferred OP Units (in shares)				284,097	284,097	188	188
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)			25,067
Numerator:
Income from continuing operations	$ 9,574	$ 3,488
Less: net income attributable to participating securities	172	73
Income from continuing operations net of income attributable to participating securities	9,402	3,415
Numerator for diluted earnings per Common Share	$ 9,402	$ 3,415
Denominator
Weighted average shares for basic earnings per share (in shares)	53,414,000	42,736,000
Effect of dilutive securities:
Employee Restricted Share Units and share options (in shares)	437,000	410,000
Dilutive potential Common Shares (in shares)	437,000	410,000
Denominatior for diluted earnings per share (in shares)	53,851,000	43,146,000
Basic earnings per Common Share from continuing operations attributable to Common Shareholders	$ 0.18	$ 0.08
Diluted earnings per Common Share from continuing operations attributable to Common Shareholders	$ 0.18	$ 0.08