Organization and Summary of Significant Accounting Policies - Impact of Corrections on Face Statements (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cash and cash equivalents	$ 138,922			$ 284,493			$ 138,922	$ 284,493	$ 285,311
Pawn service charges receivable, net	29,847			26,439			29,847	26,439	30,959
Prepaid expenses and other current assets	37,365			43,708			37,365	43,708	33,456
Goodwill	300,700			294,335			300,700	294,335	299,248
Deferred tax asset, net				1,861				1,861
Accounts payable, accrued expenses and other current liabilities	59,981			61,595			59,981	61,595	57,958
Retained earnings	389,808			388,014			389,808	388,014	386,622
Accumulated other comprehensive loss	(47,926)			(47,712)			(47,926)	(47,712)	$ (42,356)
Pawn service charges				72,544				222,597
Operations expense	84,727			82,932			261,756	248,758
Administrative expense	15,053			13,268			46,795	39,688
Loss from continuing operations before income taxes	3,459			15,506			3,737	52,667
Income tax expense	98			1,502			1,377	14,710
Loss from continuing operations, net of tax	$ 3,361			$ 14,004			$ 2,360	$ 37,957
Basic earnings per share attributable to EZCORP, Inc. — continuing operations (usd per share)	$ 0.06			$ 0.26			$ 0.06	$ 0.72
Diluted earnings per share attributable to EZCORP, Inc. — continuing operations (usd per share)	$ 0.06			$ 0.25			$ 0.06	$ 0.69
Net income	$ 3,158	$ 2,641	$ (3,843)	$ 14,095	$ 11,207	$ 12,024	$ 1,956	$ 37,326
Service charges and fees receivable							1,301	2,609
Accounts payable, accrued expenses and other liabilities							(1,477)	(4,624)
Income taxes, net of excess tax benefit from stock compensation							(5,527)	2,419
Net cash provided by operating activities							64,977	69,321
Effect of exchange rate changes on cash and cash equivalents and restricted cash							$ (294)	(1,493)
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cash and cash equivalents				285,031				285,031
Pawn service charges receivable, net				33,388				33,388
Prepaid expenses and other current assets				43,448				43,448
Goodwill				292,544				292,544
Deferred tax asset, net				616				616
Accounts payable, accrued expenses and other current liabilities				61,813				61,813
Retained earnings				392,315				392,315
Accumulated other comprehensive loss				(48,040)				(48,040)
Pawn service charges				72,874				223,601
Operations expense				83,032				248,802
Administrative expense								39,927
Loss from continuing operations before income taxes				15,736				53,388
Income tax expense				1,553				14,911
Loss from continuing operations, net of tax				$ 14,183				$ 38,477
Basic earnings per share attributable to EZCORP, Inc. — continuing operations (usd per share)				$ 0.27				$ 0.73
Diluted earnings per share attributable to EZCORP, Inc. — continuing operations (usd per share)				$ 0.25				$ 0.70
Net income								$ 37,846
Service charges and fees receivable								1,601
Accounts payable, accrued expenses and other liabilities								(4,245)
Income taxes, net of excess tax benefit from stock compensation								2,586
Net cash provided by operating activities								69,379
Effect of exchange rate changes on cash and cash equivalents and restricted cash								(1,541)
Corrections
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cash and cash equivalents				$ (538)				(538)
Pawn service charges receivable, net				(6,949)				(6,949)
Prepaid expenses and other current assets				260				260
Goodwill				1,791				1,791
Deferred tax asset, net				1,245				1,245
Accounts payable, accrued expenses and other current liabilities				(218)				(218)
Retained earnings				(4,301)				(4,301)
Accumulated other comprehensive loss				328				328
Pawn service charges				(330)				(1,004)
Operations expense				(100)				(44)
Administrative expense								(239)
Loss from continuing operations before income taxes				(230)				(721)
Income tax expense				(51)				(201)
Loss from continuing operations, net of tax				$ (179)				$ (520)
Basic earnings per share attributable to EZCORP, Inc. — continuing operations (usd per share)				$ (0.01)				$ (0.01)
Diluted earnings per share attributable to EZCORP, Inc. — continuing operations (usd per share)				$ 0				$ (0.01)
Net income								$ (520)
Service charges and fees receivable								1,008
Accounts payable, accrued expenses and other liabilities								(379)
Income taxes, net of excess tax benefit from stock compensation								(167)
Net cash provided by operating activities								(58)
Effect of exchange rate changes on cash and cash equivalents and restricted cash								$ 48