DEBT Schedule of Debt Maturities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Debt Instrument [Line Items]
July 1, 2012 through December 31, 2012	$ 1,701
2013	3,690
2014	3,902
2015	128,791
2016	1,920
Thereafter	284,876
Total	424,880
Mortgage Indebtedness [Member]
Debt Instrument [Line Items]
July 1, 2012 through December 31, 2012	1,701	[1]
2013	3,690	[1]
2014	3,902	[1]
2015	86,291	[1]
2016	1,920	[1]
Thereafter	59,876	[1]
Total	157,380	[1]
Senior Notes [Member]
Debt Instrument [Line Items]
July 1, 2012 through December 31, 2012	0
2013	0
2014	0
2015	0
2016	0
Thereafter	225,000
Total	225,000
Amended Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
July 1, 2012 through December 31, 2012	0
2013	0
2014	0
2015	42,500
2016	0
Thereafter	0
Total	$ 42,500

[1] Outstanding principal balance for mortgage indebtedness does not include mortgage premium of $0.5 million as of June 30, 2012.