Fair Value Measurements - Fair Value Assumptions (Details) - $ / shares	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015
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