Transactions with Related Parties (Schedule of Transactions with Related Parties) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Revenues	$ 804,662	$ 721,725	$ 1,595,274	$ 1,353,672
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	5,454	3,860	9,046	7,098
Cost and expenses	1,755	254	2,037	509
Other receivables	3,100		3,100		$ 2,400
Equity Method Investee | Fees
Related Party Transaction [Line Items]
Revenues	$ 2,500	$ 2,400	$ 5,000	$ 4,900