SEGMENT AND GEOGRAPHICAL INFORMATION (Segment Reporting) (Details) $ in Thousands	1 Months Ended	4 Months Ended	8 Months Ended	9 Months Ended
	Dec. 31, 2017 USD ($)	Mar. 31, 2018 USD ($)	Nov. 21, 2017 USD ($)	Dec. 31, 2018 USD ($) segment
Segment Reporting Information [Line Items]
Number of reportable segments | segment				1
Revenue	$ 54,364	$ 169,957		$ 420,317
Property, plant and equipment, net		36,726		42,242
India
Segment Reporting Information [Line Items]
Revenue		35,370		62,669
Property, plant and equipment, net		17,987		13,287
Middle East
Segment Reporting Information [Line Items]
Revenue		51,269		92,204
Property, plant and equipment, net		7,970		6,507
Malaysia
Segment Reporting Information [Line Items]
Revenue		20,290		43,425
Property, plant and equipment, net		5,047		5,058
Argentina
Segment Reporting Information [Line Items]
Revenue		24,376		38,722
Property, plant and equipment, net		1,279		1,341
United States
Segment Reporting Information [Line Items]
Revenue		10,898		76,564
Property, plant and equipment, net		0		5,349
Australia
Segment Reporting Information [Line Items]
Revenue		14,411		25,152
Property, plant and equipment, net		265		345
Philippines
Segment Reporting Information [Line Items]
Revenue		0		30,459
Property, plant and equipment, net		0		2,835
Rest of World
Segment Reporting Information [Line Items]
Revenue		13,343		51,122
Property, plant and equipment, net		$ 4,178		$ 7,519
Predecessor
Segment Reporting Information [Line Items]
Revenue			$ 310,120
Predecessor | India
Segment Reporting Information [Line Items]
Revenue			63,183
Predecessor | Middle East
Segment Reporting Information [Line Items]
Revenue			102,800
Predecessor | Malaysia
Segment Reporting Information [Line Items]
Revenue			29,401
Predecessor | Argentina
Segment Reporting Information [Line Items]
Revenue			48,455
Predecessor | United States
Segment Reporting Information [Line Items]
Revenue			19,518
Predecessor | Australia
Segment Reporting Information [Line Items]
Revenue			23,115
Predecessor | Philippines
Segment Reporting Information [Line Items]
Revenue			0
Predecessor | Rest of World
Segment Reporting Information [Line Items]
Revenue			$ 23,648