Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Shipping Revenues:
Time and bareboat charter revenues	$ 63,788	$ 78,150
Voyage charter revenues	17,485	22,709
Total Shipping revenues	81,273	100,859
Operating Expenses:
Voyage expenses	15,760	3,786
Vessel expenses	31,807	35,769
Charter hire expenses	22,318	22,460
Depreciation and amortization	15,319	14,019
General and administrative	6,365	6,173
Loss on disposal of vessels and other property, including impairments, net	5,493	296
Total operating expenses	97,062	82,503
(Loss)/income from vessel operations	(15,789)	18,356
Gain on termination of pre-existing arrangement		19,172
Operating (loss)/income	(15,789)	37,528
Other income, net	122	31
(Loss)/income before interest expense and income taxes	(15,667)	37,559
Interest expense	(6,370)	(6,074)
(Loss)/income before income taxes	(22,037)	31,485
Income tax benefit/(expense)	6,169	(6,360)
Net (loss)/income	$ (15,868)	$ 25,125
Weighted Average Number of Common Shares Outstanding:
Basic - Class A	90,111,701	89,422,311
Diluted - Class A	90,111,701	90,388,988
Per Share Amounts:
Basic and diluted net (loss)/income - Class A	$ (0.18)	$ 0.28