Inventory Financing Agreements - Outstanding Borrowings, Letters of Credit, and Contractual Undertaking Obligations Under the Intermediation Agreements (Details) - Washington Refinery Intermediation Agreement - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Supply Commitment [Line Items]
Issued letters of credit	$ 0
Discretionary Draw Facility
Supply Commitment [Line Items]
Outstanding borrowings	165,459,000	$ 204,843,000
Borrowing capacity	175,891,000	204,843,000
MLC receivable advances
Supply Commitment [Line Items]
Outstanding borrowings	0	56,601,000
Borrowing capacity	0	56,601,000
MLC receivable advances | Letter of Credit
Supply Commitment [Line Items]
Issued letters of credit	0	115,001,000
LC Facility due 2024
Supply Commitment [Line Items]
Outstanding borrowings	0	0
Borrowing capacity	120,000,000	0
LC Facility | Letter of Credit
Supply Commitment [Line Items]
Issued letters of credit	$ 13,000,000	$ 0