SIGNIFICANT ACCOUNTING POLICIES - Out of Period Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Reduction in depreciation and amortization	$ (8,592)	$ (9,802)
Additional state taxes	(1,375)	(873)
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