Risk Concentrations (Schedule of Foreign Revenues) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Concentration Risk [Line Items]
Revenues	$ 3,145,843	$ 3,724,593	$ 2,208,042
Seaborne Revenue
Concentration Risk [Line Items]
Revenues	1,773,527	2,311,452	1,149,039
Europe | Seaborne Revenue
Concentration Risk [Line Items]
Revenues	696,975	939,955	592,702
Asia | Seaborne Revenue
Concentration Risk [Line Items]
Revenues	935,158	1,210,855	446,724
Central and South America | Seaborne Revenue
Concentration Risk [Line Items]
Revenues	136,423	$ 160,642	$ 109,613
Africa | Seaborne Revenue
Concentration Risk [Line Items]
Revenues	$ 4,971