CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Net income/(loss)	$ 97,377	$ (5,626)
Items included in net income not affecting cash flows:
Depreciation and amortization	37,147	37,747
Loss on write-down of vessels and other assets	5,469	0
Amortization of debt discount and other deferred financing costs	1,708	3,560
Deferred financing costs write-off	12,501	0
Stock compensation, non-cash	2,503	1,821
Earnings of affiliated companies	(10,209)	(16,367)
Change in fair value of interest rate collar recorded through earnings	1,271	0
Other - net	512	227
Items included in net income related to investing and financing activities:
(Gain)/loss on disposal of vessels and other property, net	(4,139)	1,500
Loss on extinguishment of debt	1,014	0
Cash distributions from affiliated companies	5,250	6,528
Payments for drydocking	(12,513)	(10,878)
Insurance claims proceeds related to vessel operations	570	640
Changes in operating assets and liabilities:
(Increase)/decrease in receivables	(17,031)	20,163
Increase/(decrease) in deferred revenue	2,970	(15)
Net change in inventories, prepaid expenses and other current assets and accounts payable, accrued expense, and other current and long-term liabilities	3,290	4,478
Net cash provided by operating activities	127,690	43,778
Cash Flows from Investing Activities:
Expenditures for vessels and vessel improvements	(40,949)	(5,356)
Proceeds from disposal of vessels and other property	13,578	9,090
Expenditures for other property	(348)	(301)
Investments in and advances to affiliated companies, net	(46)	434
Repayments of advances from affiliated companies	0	5,272
Net cash (used in)/provided by investing activities	(27,765)	9,139
Cash Flows from Financing Activities:
Issuance of debt, net of issuance and deferred financing costs	362,989	0
Extinguishment of debt	(382,699)	0
Payments on debt	(51,266)	(19,652)
Cash dividends paid	(3,412)	0
Repurchases of common stock	(29,997)	0
Cash paid to tax authority upon vesting of stock-based compensation	(1,200)	(359)
Other - net	(122)	(258)
Net cash used in financing activities	(105,707)	(20,269)
Net (decrease)/increase in cash, cash equivalents and restricted cash	(5,782)	32,648
Cash, cash equivalents and restricted cash at beginning of year	150,243	117,644
Cash, cash equivalents and restricted cash at end of period	$ 144,461	$ 150,292