Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Net Components of Basic and Diluted Earnings per Share
Net income (loss) from continuing operations attributable to EZCORP									$ 33,683	$ (7,973)	$ (51,298)
Loss from discontinued operations attributable to EZCORP, Inc.									(1,825)	(72,771)	(37,894)
Net income (loss) attributable to EZCORP, Inc.	$ 11,410	$ 5,260	$ 8,023	$ 7,165	$ 3,231	$ (5,689)	$ (70,812)	$ (7,474)	$ 31,858	$ (80,744)	$ (89,192)
Weighted average outstanding shares of common stock (shares)									54,260	54,427	54,369
Dilutive effect of restricted stock (shares)									108	0	0
Weighted average common stock and common stock equivalents (shares)									54,368	54,427	54,369
Basic earnings (loss) per share attributable to EZCORP:
Continuing operations - basic (usd per share)	$ 0.21	$ 0.10	$ 0.15	$ 0.15	$ (0.31)	$ 0.05	$ 0.05	$ 0.06	$ 0.62	$ (0.15)	$ (0.94)
Discontinued operations - basic (usd per share)	0.00	0.00	(0.01)	(0.02)	0.37	(0.16)	(1.34)	(0.19)	(0.03)	(1.34)	(0.70)
Basic earnings (loss) per share (usd per share)	0.21	0.10	0.14	0.13	0.06	(0.11)	(1.29)	(0.13)	0.59	(1.49)	(1.64)
Diluted earnings (loss) per share attributable to EZCORP:
Continuing operations - diluted (usd per share)	0.21	0.10	0.15	0.15	(0.31)	0.05	0.05	0.06	0.62	(0.15)	(0.94)
Discontinued operations - diluted (usd per share)	0.00	0.00	(0.01)	(0.02)	0.37	(0.16)	(1.34)	(0.19)	(0.03)	(1.34)	(0.70)
Diluted earnings (loss) per share (usd per share)	$ 0.21	$ 0.10	$ 0.14	$ 0.13	$ 0.06	$ (0.11)	$ (1.29)	$ (0.13)	$ 0.59	$ (1.49)	$ (1.64)
Potential common shares excluded from the calculation of diluted earnings (loss) per share:									28,869	15,157	14,317
Restricted stock
Diluted earnings (loss) per share attributable to EZCORP:
Potential common shares excluded from the calculation of diluted earnings (loss) per share:									2,356	840	0
2024 Convertible Notes
Diluted earnings (loss) per share attributable to EZCORP:
Potential common shares excluded from the calculation of diluted earnings (loss) per share:									14,375	0	0
2019 Convertible Notes Warrants
Diluted earnings (loss) per share attributable to EZCORP:
Potential common shares excluded from the calculation of diluted earnings (loss) per share:									12,138	14,317	14,317