Fair Value Measurements - Fair Value Assumptions (Details)	12 Months Ended
	Sep. 30, 2015 $ / shares
Fair Value Disclosures [Abstract]
Expected volatility of EZCORP, Inc. Class A Common Stock	49.70%
Risk-free interest rate	1.90%
Expected term in years	6 years
Cost of equity	11.50%
Dividend yield	$ 0