INCOME TAXES - ADDITIONAL INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 142	$ 101	$ 279	$ 169
Effective federal tax rate (as a percent)	(2.50%)		(1.50%)
Change in ownership (as a percent)	50.00%		50.00%
Period of cumulative ownership change (in years)			3 years
Net operating loss, expected to expire					$ 430