Fair Value Measurements and Disclosures about Fair Value of Financial Instruments (Balances Of Financial Assets Measured At Fair Value On Recurring And Nonrecurring) (Detail) (USD $) | Jun. 30, 2014 | Sep. 30, 2013 |
In Thousands, unless otherwise specified |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | $5,254 | $3,210 |
Loans held for sale | 122 | 399 |
Securities available for sale | 185,764 | 164,167 |
Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | 5,254 | 3,210 |
Interest rate cap contract | 1 | 11 |
Securities available for sale | 185,764 | ' |
Fair Value, Measurements, Recurring | Equity Securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | ' | 93 |
Fair Value, Measurements, Recurring | Agency bonds and notes | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 12,006 | 15,197 |
Fair Value, Measurements, Recurring | Agency mortgage-backed | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 50,751 | 41,714 |
Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 31,391 | 24,074 |
Fair Value, Measurements, Recurring | Privately-issued CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 3,978 | 4,616 |
Fair Value, Measurements, Recurring | Privately-issued ABS | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 7,569 | 7,799 |
Fair Value, Measurements, Recurring | SBA Certificates | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 1,800 | 2,093 |
Fair Value, Measurements, Recurring | Municipal | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 78,269 | 68,581 |
Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Loans held for sale | 122 | 399 |
Total impaired loans | 13,578 | 14,787 |
Fair Value, Measurements, Nonrecurring | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 5,030 | 5,676 |
Fair Value, Measurements, Nonrecurring | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 5,765 | 6,091 |
Fair Value, Measurements, Nonrecurring | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 2,266 | 2,306 |
Fair Value, Measurements, Nonrecurring | Construction Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | ' | 29 |
Fair Value, Measurements, Nonrecurring | Commercial Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 144 | 235 |
Fair Value, Measurements, Nonrecurring | Consumer Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 373 | 450 |
Auto Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 714 | 799 |
Auto Loans [Member] | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 504 | 397 |
Auto Loans [Member] | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 160 | 375 |
Auto Loans [Member] | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | ' | 27 |
Auto Loans [Member] | Land and land development [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 50 | ' |
Level 1 | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | 0 | 0 |
Loans held for sale | 0 | 0 |
Securities available for sale | 0 | 93 |
Level 1 | Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | 0 | 0 |
Interest rate cap contract | 0 | 0 |
Securities available for sale | 0 | 93 |
Level 1 | Fair Value, Measurements, Recurring | Equity Securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | ' | 93 |
Level 1 | Fair Value, Measurements, Recurring | Agency bonds and notes | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Agency mortgage-backed | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Privately-issued CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Privately-issued ABS | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | SBA Certificates | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Recurring | Municipal | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Loans held for sale | 0 | 0 |
Total impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Construction Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | ' | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Commercial Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 1 | Fair Value, Measurements, Nonrecurring | Consumer Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 1 | Auto Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | 0 |
Level 1 | Auto Loans [Member] | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | 0 |
Level 1 | Auto Loans [Member] | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | 0 |
Level 1 | Auto Loans [Member] | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | ' | 0 |
Level 1 | Auto Loans [Member] | Land and land development [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | ' |
Level 2 | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | 5,254 | 3,210 |
Loans held for sale | 122 | 399 |
Securities available for sale | 185,764 | 164,074 |
Level 2 | Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | 5,254 | 3,210 |
Interest rate cap contract | 1 | 11 |
Securities available for sale | 185,764 | 164,074 |
Level 2 | Fair Value, Measurements, Recurring | Equity Securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | ' | 0 |
Level 2 | Fair Value, Measurements, Recurring | Agency bonds and notes | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 12,006 | 15,197 |
Level 2 | Fair Value, Measurements, Recurring | Agency mortgage-backed | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 50,751 | 41,714 |
Level 2 | Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 31,391 | 24,074 |
Level 2 | Fair Value, Measurements, Recurring | Privately-issued CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 3,978 | 4,616 |
Level 2 | Fair Value, Measurements, Recurring | Privately-issued ABS | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 7,569 | 7,799 |
Level 2 | Fair Value, Measurements, Recurring | SBA Certificates | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 1,800 | 2,093 |
Level 2 | Fair Value, Measurements, Recurring | Municipal | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 78,269 | 68,581 |
Level 2 | Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Loans held for sale | 122 | 399 |
Total impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Construction Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | ' | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Commercial Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 2 | Fair Value, Measurements, Nonrecurring | Consumer Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 0 | 0 |
Level 2 | Auto Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | 0 |
Level 2 | Auto Loans [Member] | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | 0 |
Level 2 | Auto Loans [Member] | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | 0 |
Level 2 | Auto Loans [Member] | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | ' | 0 |
Level 2 | Auto Loans [Member] | Land and land development [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 0 | ' |
Level 3 | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | 0 | 0 |
Loans held for sale | 0 | 0 |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Trading account securities | 0 | 0 |
Interest rate cap contract | 0 | 0 |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Equity Securities | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | ' | 0 |
Level 3 | Fair Value, Measurements, Recurring | Agency bonds and notes | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Agency mortgage-backed | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Agency CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Privately-issued CMO | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | Privately-issued ABS | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Recurring | SBA Certificates | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | ' |
Level 3 | Fair Value, Measurements, Recurring | Municipal | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Securities available for sale | 0 | 0 |
Level 3 | Fair Value, Measurements, Nonrecurring | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Loans held for sale | 0 | 0 |
Total impaired loans | 13,578 | 14,787 |
Level 3 | Fair Value, Measurements, Nonrecurring | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 5,030 | 5,676 |
Level 3 | Fair Value, Measurements, Nonrecurring | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 5,765 | 6,091 |
Level 3 | Fair Value, Measurements, Nonrecurring | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 2,266 | 2,306 |
Level 3 | Fair Value, Measurements, Nonrecurring | Construction Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | ' | 29 |
Level 3 | Fair Value, Measurements, Nonrecurring | Commercial Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 144 | 235 |
Level 3 | Fair Value, Measurements, Nonrecurring | Consumer Loan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total impaired loans | 373 | 450 |
Level 3 | Auto Loans [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 714 | 799 |
Level 3 | Auto Loans [Member] | Residential Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 504 | 397 |
Level 3 | Auto Loans [Member] | Commercial Real Estate [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | 160 | 375 |
Level 3 | Auto Loans [Member] | Multi-family residential [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | ' | 27 |
Level 3 | Auto Loans [Member] | Land and land development [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Total foreclosed real estate | $50 | ' |