Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Common Stock Class A Non-voting [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000	56,000,000
Common stock, shares issued	50,680,358	50,614,767	51,389,307
Common stock, shares outstanding	50,680,358	50,614,767	51,389,307
Common Stock Class B Voting [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	3,000,000	3,000,000	3,000,000
Common stock, shares issued	2,970,171	2,970,171	2,970,171
Common stock, shares outstanding	2,970,171	2,970,171	2,970,171
Grupo Finmart [Member]
Restricted cash	$ 22,457	$ 23,592	$ 0
Consumer loans, net	35,069	41,588	34,123
Consumer loan fees and interest receivable, net	4,937	5,489	7,060
Restricted cash, non-current	123	133	2,742
Intangible assets, net	2,545	2,847	1,998
Total assets	65,131	73,649	45,923
Security Facility [Member] | Grupo Finmart [Member]
Long-term debt	$ 49,475	$ 54,045	$ 32,147