Allowance for Losses and Credit Quality of Financing Receivables (Details Textual) (USD $)	9 Months Ended					0 Months Ended			9 Months Ended				0 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	0 Months Ended
	Jun. 30, 2014 payment	Jun. 30, 2013	Jun. 30, 2014 Unsecured Long Term Consumer Loans [Member]	Sep. 30, 2013 Unsecured Long Term Consumer Loans [Member]	Jun. 30, 2013 Unsecured Long Term Consumer Loans [Member]	Apr. 30, 2014 Unsecured Long Term Consumer Loans [Member] Grupo Finmart [Member]	Nov. 29, 2013 Unsecured Long Term Consumer Loans [Member] Grupo Finmart [Member] loan	Oct. 21, 2013 Unsecured Long Term Consumer Loans [Member] Grupo Finmart [Member] loan	Jun. 30, 2014 Unsecured Long Term Consumer Loans [Member] Grupo Finmart [Member]	Jun. 30, 2014 Unsecured Long Term Consumer Loans - In Payroll [Member]	Sep. 30, 2013 Unsecured Long Term Consumer Loans - In Payroll [Member]	Jun. 30, 2013 Unsecured Long Term Consumer Loans - In Payroll [Member]	Apr. 21, 2014 Long-term Consumer Loans [Member] Grupo Finmart [Member]	Jun. 30, 2014 Long-term Consumer Loans [Member] Grupo Finmart [Member]	Mar. 31, 2014 Long-term Consumer Loans [Member] Grupo Finmart [Member] loan	Jun. 30, 2014 Unsecured Long Term Consumer Loans 2 [Member] Grupo Finmart [Member] loan	Jun. 30, 2014 Unsecured Long Term Consumer Loans 2 [Member] Grupo Finmart [Member] loan	Jun. 30, 2014 Unsecured Long Term Consumer Loans 3 [Member] Grupo Finmart [Member] loan	Jun. 30, 2014 Unsecured Long Term Consumer Loans 3 [Member] Grupo Finmart [Member] loan	Jul. 09, 2014 Subsequent Event [Member] Unsecured Long Term Consumer Loans 2 [Member] Grupo Finmart [Member]	Jul. 07, 2014 Subsequent Event [Member] Unsecured Long Term Consumer Loans 3 [Member] Grupo Finmart [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Description of Defaulted Payment, Number of Delinquent Payments	1
Description of Defaulted Loan, Number of Delinquent Payments, Minimum	1
Description of Defaulted Loan, Number of Delinquent Payments	2
Investment 90 days past due and still accruing			$ 25,615,000	$ 29,492,000	$ 27,576,000					$ 25,615,000	$ 29,492,000	$ 27,576,000
Past due period on auto title loans	90 days
Reserve percentage of loan over 90 days past due	100.00%
Past due period on consumer loans	60 days
Reserve percentage of loan over 60 days past due	100.00%
Number of payroll withholding loans in portfolio sold								14,500							7,500	7,100	7,100	8,500	8,500
Book value of loan portfolio, principal															10,000,000	10,000,000	10,000,000	14,000,000	14,000,000
Book value of loan portfolio, accrued interest															1,300,000	2,100,000	2,100,000	2,300,000	2,300,000
Book value of loan portfolio								14,700,000
Sale of loan portfolio								19,300,000					16,000,000							16,500,000	21,800,000
Primary servicer, term														48 months			60 months		60 months
Gain on sale of loan portfolio	14,312,000	0							4,600,000					4,700,000		4,400,000	4,400,000	5,500,000	5,500,000
Number of payroll withholding loans in portfolio purchased							10,500
Total purchase price of loan portfolio							15,700,000
Minimum payment of total purchase price							11,500,000
Payment to acquire loan portfolio	705,181,000	682,184,000				600,000	10,400,000
Payment to acquire loan portfolio over next year							500,000
Deferred consideration							4,200,000
Deferred consideration, performance period							12 months
Deferred consideration payment						2,100,000
Fair value of loan portfolio							11,800,000
Accelerated amortization of sales commissions related to loans sold														$ 700,000		$ 700,000	$ 700,000	$ 1,000,000	$ 1,000,000