Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended	9 Months Ended
	Apr. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Apr. 14, 2021	Apr. 01, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amount received in previously escrowed seller funds		$ 1.1
Interest on note receivable	2.89%
Cash Converters International Limited
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity method of accounting ownership percentage				35.65%		35.65%
Rich Data Corp
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity method of accounting ownership percentage				13.14%
2.89% promissory note receivable due April 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes receivable, fair value							$ 1.1
Interest on note receivable	2.89%		2.89%	2.89%	2.89%