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Covered Assets (Aging Analysis of Non-Credit Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Sep. 30, 2013
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | $ 212,002 | $ 300,610
Acquired Non Impaired Assets [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 124,687 | 166,636
Loans and Leases Receivable, Covered Loans, Current | 122,032 | 159,195
Loans and Leases Receivable, Covered Loans, 30 Days | 207 | 2,963
Loans and Leases Receivable, Covered Loans, 60 Days | 26 | 529
Loans and Leases Receivable, Covered Assets, 90 Days | 2,422 | 3,949
Loans and Leases Receivable, Covered Assets, Past Due | 2,655 | 7,441
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 2.13% | 4.47%
Acquired Non Impaired Assets [Member] | Residential Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 24,468 | 28,460
Loans and Leases Receivable, Covered Loans, Current | 23,056 | 27,411
Loans and Leases Receivable, Covered Loans, 30 Days | 108 | 78
Loans and Leases Receivable, Covered Loans, 60 Days | 13 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 1,291 | 971
Loans and Leases Receivable, Covered Assets, Past Due | 1,412 | 1,049
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 5.77% | 3.69%
Acquired Non Impaired Assets [Member] | Construction - Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 0 | 0
Loans and Leases Receivable, Covered Loans, Current | 0 | 0
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, Past Due | 0 | 0
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.00% | 0.00%
Acquired Non Impaired Assets [Member] | Construction - Custom [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 0 | 0
Loans and Leases Receivable, Covered Loans, Current | 0 | 0
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, Past Due | 0 | 0
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.00% | 0.00%
Acquired Non Impaired Assets [Member] | Land - Acquisition & Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 1,836 | 4,810
Loans and Leases Receivable, Covered Loans, Current | 1,800 | 4,774
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 36 | 36
Loans and Leases Receivable, Covered Assets, Past Due | 36 | 36
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 1.96% | 0.75%
Acquired Non Impaired Assets [Member] | Land - Consumer Lot Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 74 | 245
Loans and Leases Receivable, Covered Loans, Current | 74 | 199
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 46
Loans and Leases Receivable, Covered Assets, Past Due | 0 | 46
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.00% | 18.78%
Acquired Non Impaired Assets [Member] | Multi-Family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 16,472 | 18,852
Loans and Leases Receivable, Covered Loans, Current | 16,472 | 17,511
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 1,341
Loans and Leases Receivable, Covered Assets, Past Due | 0 | 1,341
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.00% | 7.11%
Acquired Non Impaired Assets [Member] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 63,032 | 89,499
Loans and Leases Receivable, Covered Loans, Current | 61,937 | 84,949
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 2,779
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 455
Loans and Leases Receivable, Covered Assets, 90 Days | 1,095 | 1,316
Loans and Leases Receivable, Covered Assets, Past Due | 1,095 | 4,550
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 1.74% | 5.08%
Acquired Non Impaired Assets [Member] | Commercial & Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 5,579 | 9,416
Loans and Leases Receivable, Covered Loans, Current | 5,579 | 9,416
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, Past Due | 0 | 0
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.00% | 0.00%
Acquired Non Impaired Assets [Member] | HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 12,725 | 14,750
Loans and Leases Receivable, Covered Loans, Current | 12,628 | 14,334
Loans and Leases Receivable, Covered Loans, 30 Days | 97 | 103
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 74
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 239
Loans and Leases Receivable, Covered Assets, Past Due | 97 | 416
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.76% | 2.82%
Acquired Non Impaired Assets [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 501 | 604
Loans and Leases Receivable, Covered Loans, Current | 486 | 601
Loans and Leases Receivable, Covered Loans, 30 Days | 2 | 3
Loans and Leases Receivable, Covered Loans, 60 Days | 13 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 0
Loans and Leases Receivable, Covered Assets, Past Due | $ 15 | $ 3
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 2.99% | 0.50%

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