Supplemental Consolidated Financial Information and Discontinued Operations - Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of tax	$ (265)	$ (9,133)	$ (1,868)	$ (99,068)
Net loss from discontinued operations attributable to EZCORP, Inc.	$ (265)	(8,593)	$ (1,868)	(92,929)
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] | Grupo Finmart
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		11,761		36,345
Consumer loan bad debt		(6,201)		(26,444)
Operations expense		(9,489)		(100,347)
Interest expense, net		(3,943)		(13,255)
Depreciation, amortization and other expenses		(4,597)		(6,234)
Loss from discontinued operations before income taxes of Grupo Finmart		(12,469)		(109,935)
Income tax benefit		2,746		11,609
Loss from discontinued operations, net of tax of operations discontinued prior to the adoption of ASU 2014-08		590		(742)
Loss from discontinued operations, net of tax		(9,133)		(99,068)
Loss from discontinued operations, net of tax of Grupo Finmart		(9,723)		(98,326)
Loss from discontinued operations, net of tax of Grupo Finmart attributable to noncontrolling interest		540		6,140
Net loss from discontinued operations attributable to EZCORP, Inc.		(9,183)		(92,186)
Cash provided by (used in) operating activities, discontinued operations		2,300		9,400
Cash provided by (used in) investing activities, discontinued operations		4,400		4,600
Accounting Standards Update 2014-08 | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] | Grupo Finmart
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		$ 2,100		$ 2,100