Debt and Credit Sources - Bank of the West (Details) - Letter of Credit - October 2021 Letter of Credit - Bank of the West - USD ($)	Apr. 03, 2022	Jan. 02, 2022	Oct. 31, 2021
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 25,000,000
Cash collateral for borrowed securities			50.00%
Letters of credit outstanding, amount	$ 21,600,000	$ 19,300,000

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 http://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