Goodwill and Intangible Assets - Goodwill (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Changes in the carrying value of goodwill, by segment
Beginning Balance		$ 257,582,000	$ 300,527,000
Measurement period adjustments			27,000
Goodwill impairment	$ (41,300,000)	0	(41,340,000)
Acquisitions		28,643,000
Effect of foreign currency translation changes		(467,000)	(1,632,000)
Ending Balance		285,758,000	257,582,000
U.S. Pawn
Changes in the carrying value of goodwill, by segment
Beginning Balance		241,928,000	251,752,000
Measurement period adjustments			176,000
Goodwill impairment			(10,000,000)
Acquisitions		2,543,000
Effect of foreign currency translation changes		0	0
Ending Balance		244,471,000	241,928,000
Latin America Pawn
Changes in the carrying value of goodwill, by segment
Beginning Balance		15,654,000	48,775,000
Measurement period adjustments			(149,000)
Goodwill impairment			(31,340,000)
Acquisitions		26,100,000
Effect of foreign currency translation changes		(467,000)	(1,632,000)
Ending Balance		$ 41,287,000	$ 15,654,000