INCOME TAXES - NOL (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net operating losses
Total net operating losses	$ 2,100	$ 4,200	$ 78,100
Annual NOL carryforward available for use	71,000
Federal
Net operating losses
Total net operating losses	1,000	1,600
NOL write-down		48,500
Foreign
Net operating losses
Total net operating losses	100	300
State
Net operating losses
Total net operating losses	$ 1,000	2,300
NOL write-down		$ 17,500