Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Inventory Financing Agreements - Washington Refinery Intermediation Agreement (Details) - Washington Refinery Intermediation Agreement - USD ($) $ in Millions	Sep. 30, 2022	May 09, 2022	May 08, 2022	Dec. 31, 2021
Supply Commitment [Line Items]
Maximum borrowing amount		$ 115.0	$ 90.0
Line of credit facility, borrowing base	$ 81.9			$ 54.5
Letter of Credit
Supply Commitment [Line Items]
Letters of credit outstanding, amount	$ 194.2			$ 167.0