INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		11 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2015
Income Tax Contingency [Line Items]
Current income tax expense (benefit)	$ 8,300	$ (3,300)	$ 11,800	$ 5,700
Net deferred tax assets	9,800		9,800			$ 5,000
Deferred income tax expense (benefit)	400	$ (800)	(6,300)	$ (1,600)
Deferred tax asset relating to capital losses	17,400		17,400
Liability for unrecognized tax benefits for uncertain income tax positions	800		800			800
Percentage of applicable cash saving in income tax distributable to specified unitholders					85.00%
Percentage of applicable cash saving in income tax available for the entity					15.00%
Amount due pursuant to tax receivable agreement	1,910		1,910			$ 1,910
Indemnity Counterparty
Income Tax Contingency [Line Items]
Due from indemnity counterparty	3,200		3,200
State and Local Jurisdiction | New York
Income Tax Contingency [Line Items]
Income tax expense (benefit)	3,200
Fee and other income	3,200
Accrued taxes payable	$ 3,200		$ 3,200