Loans Receivable and Allowance for Loan Losses - Schedule of Allowance for Loan Losses (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified |
Sep. 30, 2013
|
Sep. 30, 2012
|
---|---|---|
Receivables [Abstract] | ||
Available funds for reimbursement | $ 2.9 | $ 4.1 |