CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) (in thousands) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (411,895)	$ (177,568)
Other comprehensive income, net of tax:
Pension liability adjustment	190	263
Total other comprehensive income, net of tax	190	263
Total comprehensive loss	$ (411,705)	$ (177,305)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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