STOCK-BASED COMPENSATION - SARs Rollfoward (Details) - Stock Appreciation Rights shares in Thousands	12 Months Ended
	Dec. 31, 2018 $ / shares shares
Number of Shares
Nonvested at beginning of period (in shares)	0
Granted (in shares)	10,966
Vested (in shares)	0
Nonvested at end of period (in shares)	10,966
Weighted-Average Grant Date Fair Value
Nonvested at beginning of period (in dollars per share) | $ / shares	$ 0.00
Granted (in dollars per share) | $ / shares	0.18
Vested (in dollars per share) | $ / shares	0.00
Nonvested at end of period (in dollars per share) | $ / shares	0.18
Weighted Average Exercise Price
Nonvested at beginning of period (in dollars per share) | $ / shares	0.00
Granted (in dollars per share) | $ / shares	2.34
Vested (in dollars per share) | $ / shares	0.00
Nonvested at beginning of period (in dollars per share) | $ / shares	$ 2.34
BPRI Executive Consulting, LLC
Number of Shares
Nonvested at beginning of period (in shares)	0
Granted (in shares)	8,435
Vested (in shares)	0
Nonvested at end of period (in shares)	8,435
BW Plan
Number of Shares
Nonvested at beginning of period (in shares)	0
Granted (in shares)	2,531
Vested (in shares)	0
Nonvested at end of period (in shares)	2,531