Debt - Outstanding obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2018	May 14, 2018	Sep. 30, 2017	Jun. 30, 2017
Gross Amount
Total	$ 522,223		$ 345,341	$ 285,900
Less current portion	(205,973)		0	0
Total long-term debt	316,250		345,341	285,900
Debt Discount and Issuance Costs
Total	(103,530)		(60,534)	(25,486)
Less current portion	10,177		0	0
Total long-term debt	(93,353)		(60,534)	(25,486)
Long-term Debt, Current Maturities [Abstract]
Carrying Amount	418,693		284,807	260,414
Less current portion	(195,796)		0	0
Total long-term debt	222,897		284,807	260,414
Recourse to EZCORP | 2019 Convertible Notes
Gross Amount
Total	195,000		195,000	230,000
Debt Discount and Issuance Costs
Total	(10,177)		(17,654)	(23,721)
Long-term Debt, Current Maturities [Abstract]
Carrying Amount	184,823		177,346	206,279
Recourse to EZCORP | 2019 Convertible Notes Embedded Derivative
Gross Amount
Total	7,491		6,591	5,900
Debt Discount and Issuance Costs
Total	0		0	0
Long-term Debt, Current Maturities [Abstract]
Carrying Amount	7,491		6,591	5,900
Recourse to EZCORP | 2024 Convertible Notes
Gross Amount
Total	143,750		143,750	0
Debt Discount and Issuance Costs
Total	(39,188)		(42,880)	0
Long-term Debt, Current Maturities [Abstract]
Carrying Amount	104,562		100,870	0
Senior Notes | 2025 Convertible Notes
Gross Amount
Total	172,500		0	0
Debt Discount and Issuance Costs
Total	(54,165)		0	0
Long-term Debt, Current Maturities [Abstract]
Carrying Amount	118,335	$ 121,300	0	0
Other Debt
Gross Amount
Total	3,482		0	0
Debt Discount and Issuance Costs
Total	0		0	0
Long-term Debt, Current Maturities [Abstract]
Carrying Amount	3,482		0	0
Line of Credit | Term loan facility
Gross Amount
Total	0		0	50,000
Debt Discount and Issuance Costs
Total	0		0	(1,765)
Long-term Debt, Current Maturities [Abstract]
Carrying Amount	$ 0		$ 0	$ 48,235