CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Shipping Revenues:
Shipping revenues	$ 241,708	$ 236,829	$ 821,041	$ 526,508
Operating Expenses:
Voyage expenses	5,756	2,283	13,434	8,448
Vessel expenses	64,596	58,565	188,516	178,445
Charter hire expenses	11,297	7,797	30,599	22,799
Depreciation and amortization	33,363	27,728	95,356	81,984
General and administrative	12,314	11,839	35,082	32,852
Third-party debt modification fees	148	71	568	1,158
Loss/(gain) on disposal of vessels and other assets, net of impairments	74	139	(10,648)	(9,339)
Total operating expenses	127,548	108,422	352,907	316,347
Income from vessel operations	114,160	128,407	468,134	210,161
Equity in results of affiliated companies		(1)	0	434
Operating income	114,160	128,406	468,134	210,595
Other income/(expense)	646	360	8,308	(440)
Income before interest expense and income taxes	114,806	128,766	476,442	210,155
Interest expense	(16,817)	(15,332)	(51,678)	(40,630)
Income before income taxes	97,989	113,434	424,764	169,525
Income tax provision	(52)	(7)	(432)	(63)
Net income	97,937	113,427	424,332	169,462
Net income/(loss) attributable to the Company	$ 97,937	$ 113,427	$ 424,332	$ 169,462
Weighted Average Number of Common Shares Outstanding:
Basic	48,861,356	49,312,716	49,008,901	49,493,315
Diluted	49,275,022	49,743,700	49,442,825	49,758,196
Per Share Amounts:
Basic net income/(loss) per share	$ 2.00	$ 2.30	$ 8.65	$ 3.42
Diluted net income/(loss) per share	$ 1.99	$ 2.28	$ 8.58	$ 3.40
Pool Revenue Leases [Member]
Shipping Revenues:
Shipping revenues	$ 194,465	$ 215,240	$ 701,634	$ 463,729
Time and Bareboat Charter Leases [Member]
Shipping Revenues:
Shipping revenues	27,587	8,487	66,849	22,795
Voyage Charter Leases [Member]
Shipping Revenues:
Shipping revenues	$ 19,656	$ 13,102	$ 52,558	$ 39,984