INVESTMENTS (Details) - USD ($) $ in Thousands			3 Months Ended		12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Investments rollforward
Opening balance			$ 8,543	$ 1,032	$ 1,032
Additions during the year					4,419
Disposals during the period					(470)
Other Comprehensive Income (Loss) (pre -tax)			4,995		3,043
Statement of Operations (Loss) Income			1,791		519
Fair Value end of the year	$ 15,329	$ 8,543	15,329		8,543
Fair value Available for Sale
Opening balance			8,543
Fair Value end of the period	15,329	8,543	15,329		8,543
Cost of purchase of marketable equity securities	4,900	4,900
Unrealized gain on derivative instrument			1,791
Derivative, Gain on Derivative			1,791
Unrealized gain on available-for-sale securities			3,900
Gain on available-for-sale securities, pre-tax			5,000
Unrealized loss on available-for-sale securities				100
Other-than-temporary impairment on marketable equity securities				285
Marketable equity securities
Investments rollforward
Opening balance			6,749	1,032	1,032
Additions during the year					4,004
Disposals during the period					(470)
Other Comprehensive Income (Loss) (pre -tax)			4,995		3,043
Statement of Operations (Loss) Income					(860)
Fair Value end of the year	11,744	6,749	11,744		6,749
Fair value Available for Sale
Other-than-temporary impairment on marketable equity securities			0	$ 300
Warrants
Investments rollforward
Opening balance			1,794
Additions during the year					415
Statement of Operations (Loss) Income			1,791		1,379
Fair Value end of the year	$ 3,585	$ 1,794	$ 3,585		$ 1,794