CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net loss	$ (129,188)	$ (36,839)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	34,271	38,582
Amortization of deferred drydocking and survey costs	20,980	9,388
Amortization of debt premium and discounts	1,357	(1,019)
Provision for deferred income taxes	206	6
(Gain) loss on asset dispositions, net	(6,991)	(776)
Affiliate credit loss impairment expense	53,581
Affiliate guarantee obligation	2,000
Long-lived asset impairments	65,689	(776)
Changes in investments in unconsolidated companies		381
Compensation expense - stock-based	2,736	9,215
Changes in assets and liabilities, net:
Trade and other receivables	(4,991)	(10,921)
Changes in due to/from affiliate, net	3,242	15,080
Accounts payable	(10,390)	(7,769)
Accrued costs and expenses	(13,007)	(4,977)
Cash paid for deferred drydocking and survey costs	(28,964)	(28,688)
Other, net	(3,354)	(2,386)
Net cash used in operating activities	(12,823)	(20,723)
Cash flows from investing activities:
Proceeds from sales of assets	20,906	20,566
Additions to properties and equipment	(4,075)	(8,873)
Net cash provided by investing activities	16,831	11,693
Cash flows from financing activities:
Principal payments on long-term debt	(4,742)	(3,792)
Taxes on share based awards	(612)	(1,760)
Other		1
Net cash used in financing activities	(5,354)	(5,551)
Net change in cash, cash equivalents and restricted cash	(1,346)	(14,581)
Cash, cash equivalents and restricted cash at beginning of period	227,608	397,744
Cash, cash equivalents and restricted cash at end of period	226,262	383,163
Cash paid during the period for:
Interest, net of amounts capitalized	10,734	16,293
Income taxes	$ 6,461	$ 7,754