Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended		12 Months Ended
	Apr. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Sep. 30, 2020	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			34.75%
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%