CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Shipping Revenues:
Shipping revenues	$ 287,130	$ 101,482
Operating Expenses:
Voyage expenses	3,810	3,507
Vessel expenses	58,769	60,317
Charter hire expenses	8,800	7,309
Depreciation and amortization	29,548	27,000
General and administrative	11,246	10,166
Third-party debt modification fees	407	187
Gain on disposal of vessels and other assets, net of impairments	(10,748)	(1,376)
Total operating expenses	101,832	107,110
Income/(loss) from vessel operations	185,298	(5,628)
Equity in results of affiliated companies	0	5,597
Operating income/(loss)	185,298	(31)
Other income/(expense)	4,281	(226)
Income/(loss) before interest expense and income taxes	189,579	(257)
Interest expense	(16,947)	(12,740)
Income/(loss) before income taxes	172,632	(12,997)
Income tax benefit/(provision)	1	(4)
Net income/(loss)	172,633	(13,001)
Net income/(loss) attributable to the Company	$ 172,633	$ (13,001)
Weighted Average Number of Common Shares Outstanding:
Basic	49,138,613	49,571,337
Diluted	49,646,331	49,571,337
Per Share Amounts:
Basic net income/(loss) per share	$ 3.51	$ (0.26)
Diluted net income/(loss) per share	$ 3.47	$ (0.26)
Pool Revenue Leases [Member]
Shipping Revenues:
Shipping revenues	$ 259,578	$ 83,762
Time and Bareboat Charter Leases [Member]
Shipping Revenues:
Shipping revenues	13,150	6,175
Voyage Charter Leases [Member]
Shipping Revenues:
Shipping revenues	$ 14,402	$ 11,545