Allowance for Doubtful Accounts (Activity in Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Segment Reporting Information [Line Items]
Beginning balance	$ (17,459)	$ (710)
Provision for credit losses	(157)	(16,882)
Accounts written off as uncollectible	225	133
Ending balance	(17,391)	(17,459)
Wholesale operations
Segment Reporting Information [Line Items]
Beginning balance	(17,429)	(628)
Provision for credit losses	(103)	(16,934)
Accounts written off as uncollectible	225	133
Ending balance	(17,307)	(17,429)
Retail
Segment Reporting Information [Line Items]
Beginning balance	(30)	(82)
Provision for credit losses	(54)	52
Ending balance	$ (84)	$ (30)