PROPERTY, PLANT & EQUIPMENT (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	9 Months Ended
	Mar. 31, 2018	Nov. 21, 2017	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 42,409		$ 51,484
Less accumulated depreciation and impairment	5,683		8,783
Less accumulated amortization under capital lease	0		459
Total property, plant and equipment, net	36,726		42,242
Depreciation expense	5,491	$ 10,306	13,431
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,591		11,847
Telephone and computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,867		12,618
Computer Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	12,958		13,785
Furniture, fixtures, and miscellaneous equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,845		8,954
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	148		439
Assets acquired under capital lease
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 0		$ 3,841