Transactions with Related Parties (Schedule of Transactions with Related Parties) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Revenues	$ 756,261	$ 804,662	$ 1,526,366	$ 1,595,274
Poseidon
Related Party Transaction [Line Items]
Equity method investment, ownership percentage	64.00%		64.00%
CEO
Related Party Transaction [Line Items]
Cost and expenses	$ 165	165	$ 330	330
Equity Method Investee
Related Party Transaction [Line Items]
Revenues	6,025	5,454	11,008	9,046
Cost and expenses	298	1,755	584	2,037
Other receivables	2,900		2,900		$ 1,900
Equity Method Investee | Fees
Related Party Transaction [Line Items]
Revenues	$ 2,600	$ 2,500	$ 5,200	$ 5,000