Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenue		$ 627,625	$ 421,654
Operating costs and expenses:
Cost of services	[1]	512,226	337,646
Depreciation and amortization		85,821	71,476
Selling, general and administrative expenses		56,884	27,936
Merger and integration		12,182	0
Gain (loss) on disposal of assets		(7,962)	481
Impairment expense		34,327	0
Total operating costs and expenses		693,478	437,539
Operating loss		(65,853)	(15,885)
Other income (expense):
Other income, net		416	448
Interest expense, net		(6,066)	(5,395)
Total other income (expense)		(5,650)	(4,947)
Loss before income taxes		(71,503)	(20,832)
Income tax expense		(253)	(974)
Net loss		(71,756)	(21,806)
Other comprehensive loss, net of tax:
Foreign currency translation adjustments		1,107	(29)
Hedging activities		(2,620)	(2,862)
Total comprehensive loss		$ (73,269)	$ (24,697)
Net loss per share:
Basic net loss per share (in dollars per share)		$ (0.34)	$ (0.21)
Diluted net loss per share (in dollars per share)		$ (0.34)	$ (0.21)
Weighted-average shares outstanding: basic (in shares)		212,842	104,422
Weighted-average shares outstanding: diluted (in shares)		212,842	104,422

[1] Cost of services during the three months ended March 31, 2020 and 2019 exclude depreciation of $81.3 million and $67.6 million, respectively.