INCOME TAXES - Schedule of Effective Income Tax Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Income tax expense at the U.S. statutory rate of 34%	$ 2,878		$ 5,156
Federal statutory income tax rate	34.00%
Income attributable to partnership not subject to income tax	$ (40)		380
Foreign income tax rate differential	(548)		(1,215)
Other	107		89
State income taxes	90		133
Change in valuation allowance	(345)		(395)
Provision for income taxes	$ 2,142	$ 61	$ 4,148	$ 85