Delinquency status of consumer loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Apr. 01, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 37,093	$ 45,669
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	35,457	43,252
31 - 60 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	157	1,247
61 - 90 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	185	213
91+ days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 1,294	$ 957