Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Net loss	$ (16,733)	$ (8,478)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	69,507	65,567
Goodwill impairment		6,689
Amortization of debt discounts		3,316
Amortization of debt issuance costs	1,587	1,619
Share-based compensation	3,901	4,245
Deferred income taxes	(3,649)	(7,098)
(Gain) loss on disposition of assets, net	646	(473)
Unrealized gain on derivative contracts, net		(601)
Unrealized foreign currency (gain) loss	(1,366)	10,433
Changes in operating assets and liabilities:
Accounts receivable, net	6,620	(44,698)
Income tax receivable	(5,136)	19,078
Other current assets	16,017	(23,751)
Accounts payable and accrued liabilities	18,828	35,241
Other, net	7,954	16,891
Net cash provided by operating activities	92,540	6,042
Cash flows from investing activities:
Capital expenditures	(6,772)	(17,579)
Proceeds from sale of assets	11	498
Net cash used in investing activities	(6,761)	(17,081)
Cash flows from financing activities:
Repayment of Term Loan	(1,750)	(1,750)
Debt issuance costs	(43)	(310)
Acquisition of redeemable noncontrolling interests	(2,268)
Payments related to tax withholding for share-based compensation	(1,878)	(5,150)
Proceeds from issuance of ESPP shares	443	475
Net cash used in financing activities	(62,802)	(28,149)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	896	(2,879)
Net increase (decrease) in cash and cash equivalents and restricted cash	23,873	(42,067)
Cash and cash equivalents and restricted cash:
Balance, beginning of year	291,320	262,561
Balance, end of period	315,193	220,494
Nordea Q5000 Loan Maturing January 2021
Cash flows from financing activities:
Repayment of Loan Debt	(53,572)	(17,858)
MARAD Debt Maturing February 2027
Cash flows from financing activities:
Repayment of Loan Debt	$ (3,734)	$ (3,556)