SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2017	Sep. 30, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Reduction in depreciation and amortization	$ (10,606)		$ (9,733)		$ (29,323)	$ (28,789)
Additional state taxes	$ (400)		$ 8,721		(3,224)	5,547
Additional return on equity from Company's investments					$ 0	$ 1,017
Out-of-Period Adjustment Related to Prior Years
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Reduction in depreciation and amortization		$ 800
Additional deferred financing cost amortization				$ 500
Out-of-Period Adjustment Related to Prior Years | Noncontrolling Interests in Consolidated Joint Ventures
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional return on equity from Company's investments				900
Out-of-Period Adjustment Related to Prior Years | Tax Year 2015 | State and Local Jurisdiction
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional state taxes				$ 1,200