Summary of Significant Accounting Policies - Loans (Details)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Factors in estimating collectible loans, amount of loans due, number of following months	2 months
Period for income recognition	36 months	36 months	36 months
Past due period on auto title loans	90 days
Reserve percentage of loan over 90 days past due	100.00%
Unsecured Long-Term Consumer Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Period for ratification, 90 days or more	90 days
Grupo Finmart [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reserve on past due loans, percent	100.00%
Grupo Finmart [Member] | Unsecured Long-Term Consumer Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, maximum collection period	4 years
Grupo Finmart [Member] | Unsecured Long Term Consumer Loans - In Payroll [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reserve on past due loans, percent	100.00%
Number of days past due that 100% reserve is placed	180 days
U.S. Pawn Loan [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan term	30 days
Grace period	0 years
U.S. Pawn Loan [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan term	120 days
Grace period	90 days
Mexican Pawn Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Grace period	10 days
Mexican Pawn Loan [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan term	30 days