SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES - Revisions to Prior Period Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Provision (benefit) for income taxes	$ 333	$ (4,958)
Net loss	$ (24,228)	$ (12,264)
Basic loss per share	$ (0.80)	$ (0.41)
Diluted loss per share	$ (0.80)	$ (0.41)
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Provision (benefit) for income taxes		$ 623
Net loss		$ (17,845)
Basic loss per share		$ (0.60)
Diluted loss per share		$ (0.60)
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Provision (benefit) for income taxes		$ (5,581)
Net loss		$ 5,581
Basic loss per share		$ 0.19
Diluted loss per share		$ 0.19