Organization and Summary of Significant Accounting Policies - Pawn and Sales Revenue Recognition (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pawn loans	$ 131,323	$ 199,058
Pawn Stores
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pawn loans	$ 51,900
Percentage of pawn loans, outstanding	40.00%
Pawn Stores Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pawn loans	$ 14,800
Percentage of pawn loans, outstanding	11.00%