CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Shipping Revenues:
Shipping revenues	$ 292,203	$ 188,197	$ 579,333	$ 289,679
Operating Expenses:
Voyage expenses	3,868	2,658	7,678	6,165
Vessel expenses	65,151	59,563	123,920	119,880
Charter hire expenses	10,502	7,693	19,302	15,002
Depreciation and amortization	32,445	27,256	61,993	54,256
General and administrative	11,522	10,847	22,768	21,013
Third-party debt modification fees	13	900	420	1,087
Loss/(gain) on disposal of vessels and other assets, net of impairments	26	(8,102)	(10,722)	(9,478)
Total operating expenses	123,527	100,815	225,359	207,925
Income from vessel operations	168,676	87,382	353,974	81,754
Equity in results of affiliated companies		(5,162)	0	435
Operating income	168,676	82,220	353,974	82,189
Other income/(expense)	3,381	(574)	7,662	(800)
Income before interest expense and income taxes	172,057	81,646	361,636	81,389
Interest expense	(17,914)	(12,558)	(34,861)	(25,298)
Income before income taxes	154,143	69,088	326,775	56,091
Income tax provision	(381)	(52)	(380)	(56)
Net income	153,762	69,036	326,395	56,035
Net income/(loss) attributable to the Company	$ 153,762	$ 69,036	$ 326,395	$ 56,035
Weighted Average Number of Common Shares Outstanding:
Basic	49,029,784	49,602,181	49,083,897	49,586,847
Diluted	49,404,837	49,878,645	49,525,282	49,754,876
Per Share Amounts:
Basic net income/(loss) per share	$ 3.13	$ 1.39	$ 6.64	$ 1.13
Diluted net income/(loss) per share	$ 3.11	$ 1.38	$ 6.59	$ 1.12
Pool Revenue Leases [Member]
Shipping Revenues:
Shipping revenues	$ 247,591	$ 164,727	$ 507,169	$ 248,489
Time and Bareboat Charter Leases [Member]
Shipping Revenues:
Shipping revenues	26,112	8,133	39,262	14,308
Voyage Charter Leases [Member]
Shipping Revenues:
Shipping revenues	$ 18,500	$ 15,337	$ 32,902	$ 26,882