Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net loss	$ (3,050)	$ (13,928)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	34,566	31,598
Goodwill impairment		6,689
Amortization of debt discounts		1,633
Amortization of debt issuance costs	810	833
Share-based compensation	1,904	2,259
Deferred income taxes	(892)	(6,517)
Unrealized gain on derivative contracts, net		(601)
Unrealized foreign currency (gain) loss	(951)	9,237
Changes in operating assets and liabilities:
Accounts receivable, net	(463)	(25,375)
Income tax receivable	(6,256)	17,033
Other current assets	9,361	(5,475)
Accounts payable and accrued liabilities	(4,881)	15,563
Other, net	2,791	16,105
Net cash provided by (used in) operating activities	39,869	(17,222)
Cash flows from investing activities:
Capital expenditures	(1,329)	(12,389)
Net cash used in investing activities	(1,329)	(12,389)
Cash flows from financing activities:
Repayment of Term Loan	(875)	(875)
Debt issuance costs	(43)	(212)
Payments related to tax withholding for share-based compensation	(1,878)	(5,150)
Proceeds from issuance of ESPP shares	217	331
Net cash used in financing activities	(59,885)	(18,391)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	406	(2,834)
Net decrease in cash and cash equivalents and restricted cash	(20,939)	(50,836)
Cash and cash equivalents and restricted cash:
Balance, beginning of year	291,320	262,561
Balance, end of period	270,381	211,725
Nordea Q5000 Loan Maturing January 2021
Cash flows from financing activities:
Repayment of Loan Debt	(53,572)	(8,929)
MARAD Debt Maturing February 2027
Cash flows from financing activities:
Repayment of Loan Debt	$ (3,734)	$ (3,556)