BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		12 Months Ended
	Oct. 01, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Accounting Policies [Abstract]
General and administrative expense		$ 6,661	$ 8,244	$ 8,244
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation		$ 1,956	$ 619
Minimum
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful lives		3 years
Maximum
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful lives		15 years
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization period		1 year
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization period		7 years
Common stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Shares issued (in shares)	27,834