Organization and Summary of Significant Accounting Policies - Pawn and Sales Revenue Recognition (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pawn loans	$ 175,901	$ 131,323
Pawn Stores
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pawn loans	$ 63,900
Percentage of pawn loans, outstanding	36.00%
Pawn Stores Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pawn loans	$ 19,800
Percentage of pawn loans, outstanding	11.00%