Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Beginning balance	$ 302,372	$ 286,828
Acquisitions	416	9,413
Effect of foreign currency translation changes	1,011	1,120
Ending balance	303,799	297,361
U.S. Pawn
Goodwill [Roll Forward]
Beginning balance	255,942	245,503
Acquisitions	416	9,413
Effect of foreign currency translation changes	0	0
Ending balance	256,358	254,916
Latin America Pawn
Goodwill [Roll Forward]
Beginning balance	46,430	41,325
Acquisitions	0	0
Effect of foreign currency translation changes	1,011	1,120
Ending balance	$ 47,441	$ 42,445