Contingencies (Details) $ in Millions	Apr. 03, 2018 USD ($)	Aug. 23, 2017 USD ($)	Oct. 18, 2016	Nov. 03, 2015 plaintiff lawsuit	Sep. 28, 2015 lawsuit	Jul. 28, 2014 entity
Beneficial Owner
Loss Contingencies [Line Items]
Number of entities controlled | entity						3
Shareholder Derivative Litigation | Beneficial Owner
Loss Contingencies [Line Items]
Litigation settlement		$ 6.5
Rooney v. EZCORP, Inc
Loss Contingencies [Line Items]
Number of lawsuits filed | lawsuit					2
Number of lawsuits consolidated | lawsuit				2
Number of plaintiffs | plaintiff				2
Period to file an amended compliant			20 days
Insurance Claims | Shareholder Derivative Litigation | Beneficial Owner
Loss Contingencies [Line Items]
Litigation settlement		5.5
Uninsured Risk | Shareholder Derivative Litigation | Beneficial Owner
Loss Contingencies [Line Items]
Litigation settlement		$ 1.0
Subsequent Event | Shareholder Derivative Litigation | Beneficial Owner
Loss Contingencies [Line Items]
Litigation settlement	$ 1.3
Judgment effective period	30 days
Settlement fund period	30 days
Settlement liability	$ 5.1