BUSINESS COMBINATIONS AND OTHER SALE TRANSACTIONS - Summary of Gain from Sale (Details) - USD ($) $ in Thousands		12 Months Ended
	May 05, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Less: net assets sold (carrying amount of The Palisades Group)		$ (540)
Gain on sale of The Palisades Group		0	$ 163	$ 456
The Palisades Group | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liabilities forgiven by The Palisades Group		1,862
Liabilities assumed by the Company		(1,078)
The Note		2,370			$ 2,400
Aggregate fair value of consideration received		3,154
Gain on sale of The Palisades Group	$ 3,700	$ 3,694