Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 302,372	$ 286,828
Acquisitions	6,330	9,468
Effect of foreign currency translation changes	1,956	3,782
Ending balance	310,658	300,078
U.S. Pawn
Goodwill [Roll Forward]
Beginning balance	255,942	245,503
Acquisitions	6,330	9,468
Effect of foreign currency translation changes	0	0
Ending balance	262,272	254,971
Latin America Pawn
Goodwill [Roll Forward]
Beginning balance	46,430	41,325
Acquisitions	0	0
Effect of foreign currency translation changes	1,956	3,782
Ending balance	$ 48,386	$ 45,107