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Covered Assets (Aging Analysis of Non-Credit Impaired Loans) (Details) (Acquired Non Impaired Assets [Member], USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Sep. 30, 2012
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | $ 174,500 | $ 228,843
Loans and Leases Receivable, Covered Loans, Current | 171,866 | 212,210
Loans and Leases Receivable, Covered Loans, 30 Days | 19 | 2,189
Loans and Leases Receivable, Covered Loans, 60 Days | 273 | 4,567
Loans and Leases Receivable, Covered Assets, 90 Days | 2,342 | 9,877
Loans and Leases Receivable, Covered Assets, Past Due | 2,634 | 16,633
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 1.51% | 7.27%
Single Family Residential [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 32,021 | 35,676
Loans and Leases Receivable, Covered Loans, Current | 30,935 | 32,601
Loans and Leases Receivable, Covered Loans, 30 Days | 14 | 2,075
Loans and Leases Receivable, Covered Loans, 60 Days | 255 | 0
Loans and Leases Receivable, Covered Assets, 90 Days | 817 | 1,000
Loans and Leases Receivable, Covered Assets, Past Due | 1,086 | 3,075
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 3.39% | 8.62%
Construction - Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 104 | 90
Loans and Leases Receivable, Covered Loans, Current | 104 | 90
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
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
Land - Acquisition & Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 5,011 | 11,430
Loans and Leases Receivable, Covered Loans, Current | 4,975 | 9,922
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 | 1,508
Loans and Leases Receivable, Covered Assets, Past Due | 36 | 1,508
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.72% | 13.19%
Land - Consumer Lot Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 247 | 498
Loans and Leases Receivable, Covered Loans, Current | 201 | 385
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 | 46 | 113
Loans and Leases Receivable, Covered Assets, Past Due | 46 | 113
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 18.62% | 22.69%
Multi-Family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 19,320 | 27,645
Loans and Leases Receivable, Covered Loans, Current | 19,320 | 26,137
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 | 1,508
Loans and Leases Receivable, Covered Assets, Past Due | 0 | 1,508
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process |  | 5.45%
Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 91,976 | 121,592
Loans and Leases Receivable, Covered Loans, Current | 90,881 | 115,206
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 17
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 4,447
Loans and Leases Receivable, Covered Assets, 90 Days | 1,095 | 1,922
Loans and Leases Receivable, Covered Assets, Past Due | 1,095 | 6,386
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 1.19% | 5.25%
Commercial & Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 9,673 | 13,023
Loans and Leases Receivable, Covered Loans, Current | 9,673 | 9,513
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 69
Loans and Leases Receivable, Covered Assets, 90 Days | 0 | 3,441
Loans and Leases Receivable, Covered Assets, Past Due | 0 | 3,510
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process |  | 26.95%
HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 15,508 | 17,971
Loans and Leases Receivable, Covered Loans, Current | 15,143 | 17,440
Loans and Leases Receivable, Covered Loans, 30 Days | 0 | 97
Loans and Leases Receivable, Covered Loans, 60 Days | 18 | 50
Loans and Leases Receivable, Covered Assets, 90 Days | 347 | 384
Loans and Leases Receivable, Covered Assets, Past Due | 365 | 531
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 2.35% | 2.95%
Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding principal balance of acquired loans | 640 | 918
Loans and Leases Receivable, Covered Loans, Current | 634 | 916
Loans and Leases Receivable, Covered Loans, 30 Days | 5 | 0
Loans and Leases Receivable, Covered Loans, 60 Days | 0 | 1
Loans and Leases Receivable, Covered Assets, 90 Days | 1 | 1
Loans and Leases Receivable, Covered Assets, Past Due | $ 6 | $ 2
Loans and Leases Receivable, Covered Loans, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process | 0.94% | 2.20%

X
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