GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Balance at January 1		$ 98,445	$ 9,450
Acquired goodwill			88,995
Measurement period adjustments	[1]	7,505
Impairment
Balance at December 31		$ 105,950	$ 98,445

[1] See Note 20 for details on the measurement period adjustments.