Transactions with Related Parties (Schedule of Transactions with Related Parties) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Revenues	$ 377,348,000	$ 430,179,000	$ 775,659,000	$ 864,626,000
Poseidon
Related Party Transaction [Line Items]
Equity method investment, ownership percentage	64.00%		64.00%
CEO
Related Party Transaction [Line Items]
Cost and expenses	$ 165,000	165,000	$ 330,000	330,000
Equity Method Investee
Related Party Transaction [Line Items]
Revenues	4,148,000	6,025,000	8,317,000	11,008,000
Cost and expenses	266,000	298,000	542,000	584,000
Other receivables	3,800,000		3,800,000		$ 1,900,000
Equity Method Investee | Fees
Related Party Transaction [Line Items]
Revenues	$ 2,700,000	$ 2,600,000	$ 5,300,000	$ 5,200,000