Notes receivable - RJB Enterprises, LLC (Details) - Notes receivable RJB Enterprises, LLC. $ in Millions	1 Months Ended
Feb. 29, 2020 USD ($)
Disclosure of financial assets [line items]
Maximum borrowing amount against notes receivables	$ 7
Interest rate	1.57%

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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