Inventory Financing Agreements - Outstanding Borrowings, Letters of Credit, and Contractual Undertaking Obligations Under the Intermediation Agreements (Details) - Washington Refinery Intermediation Agreement - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Discretionary Draw Facility
Supply Commitment [Line Items]
Outstanding borrowings	$ 174,999	$ 204,843
Borrowing capacity	174,999	204,843
MLC receivable advances
Supply Commitment [Line Items]
Outstanding borrowings	34,090	56,601
Borrowing capacity	72,090	56,601
MLC receivable advances | Letter of Credit
Supply Commitment [Line Items]
Issued letters of credit	68,900	115,001
LC Facility due 2024
Supply Commitment [Line Items]
Outstanding borrowings	0	0
Borrowing capacity	13,905	0
LC Facility | Letter of Credit
Supply Commitment [Line Items]
Issued letters of credit	$ 96,450	$ 0