Lease Accounting (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Lessor, Lease, Description [Line Items]
Inventories	$ 58,184,000		$ 58,184,000		$ 37,782,000
Crude oil	41,567,000		41,567,000		20,381,000
NaHS	8,499,000		8,499,000		10,902,000
Caustic soda	8,118,000		8,118,000		$ 6,499,000
M/T American Phoenix [Member] | Marine transportation
Lessor, Lease, Description [Line Items]
Lease payments, year one	30,600,000		30,600,000
Operating lease income	7,400,000	$ 7,100,000	14,600,000	$ 13,900,000
Lease payments, remainder of 2023	14,900,000		14,900,000
Lease payments, year two	$ 15,200,000		$ 15,200,000