BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently Issued Accounting Pronouncements (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Recently Issued and Adopted Accounting Pronouncements
Decrease in deferred rent receivable and charges, net due to adoption of new accounting pronouncement	$ (100,560,000)	$ (97,225,000)
Decrease in debt due to adoption of new accounting pronouncement	$ (656,498,000)	(656,835,000)
ASU No. 2015-03, Interest-Imputation of Interest
Recently Issued and Adopted Accounting Pronouncements
Decrease in deferred rent receivable and charges, net due to adoption of new accounting pronouncement		6,113,000
Decrease in debt due to adoption of new accounting pronouncement		$ 6,113,000