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Covered Assets (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011
Covered assets | $ 317,925 | $ 438,566
Gross covered loans | 373,455 | 495,358
Covered loans, allowance for losses | 0 | (3,766)
Outstanding principal balance of acquired loans | 373,455 | 491,592
Discount balance related to acquired loans | 85,079 | 109,409
Covered loans, net | 288,376 | 382,183
FDIC Indemnification Asset Movement Analysis [Roll Forward] |  |
Balance at beginning of period | 101,634 | 131,128
Additions | 3,284 | 10,470
Payments received | (3,456) | (32,828)
Amortization | (15,510) | (10,239)
Carrying Amount, Accretion | 1,619 | 3,103
Balance at end of period | 87,571 | 101,634
Acquired Impaired Assets [Member] |  |
Gross covered loans | 144,612 | 202,937
Covered loans, allowance for losses | 0 | (3,766)
Outstanding principal balance of acquired loans | 144,612 | 199,171
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] |  |
Accretable Yield, Balance at beginning of period | 37,072 | 27,019
Carrying Amount, Balance at beginning of period | 116,061 | 190,530
Accretable Yield, Additions | 0 | 0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Additons | 0 | 0
Accretable Yield, Reclassifications from nonaccretable balance, net | 34,690 | 24,025
Accretable Yield, Accretion | (20,860) | (13,972)
Carrying Amount, Transfers to Real Estate Owned | (15,905) | (54,638)
Carrying Amount, Payments received, net | (46,063) | (33,803)
Carrying Amount, Balance at end of period | 74,953 | 116,061
Accretable Yield, Balance at end of period | 50,902 | 37,072
FDIC Indemnification Asset Movement Analysis [Roll Forward] |  |
Carrying Amount, Accretion | 20,860 | 13,972
Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 228,843 | 292,421
Covered loans, allowance for losses | 0 | 0
Outstanding principal balance of acquired loans | 228,843 | 292,421
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] |  |
Accretable Yield, Balance at beginning of period | 30,370 | 39,813
Carrying Amount, Balance at beginning of period | 269,888 | 343,944
Accretable Yield, Additions | 0 | 0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Additons | 0 | 0
Accretable Yield, Reclassifications from nonaccretable balance, net | 0 | 0
Accretable Yield, Accretion | (6,581) | (9,443)
Carrying Amount, Transfers to Real Estate Owned | 0 | 0
Carrying Amount, Payments received, net | (63,046) | (83,499)
Carrying Amount, Balance at end of period | 213,423 | 269,888
Accretable Yield, Balance at end of period | 23,789 | 30,370
FDIC Indemnification Asset Movement Analysis [Roll Forward] |  |
Carrying Amount, Accretion | 6,581 | 9,443
Single Family Residential [Member] |  |
Gross covered loans | 43,375 | 55,449
Single Family Residential [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 7,699 | 9,235
Single Family Residential [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 35,676 | 46,214
Construction, Speculative [Member] |  |
Gross covered loans | 4,609 | 9,321
Construction, Speculative [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 4,519 | 8,006
Construction, Speculative [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 90 | 1,315
Construction, Custom [Member] |  |
Gross covered loans | 1,196 | 2,799
Construction, Custom [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 1,196 | 2,799
Construction, Custom [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 0 | 0
Land, Acquisition and Development [Member] |  |
Gross covered loans | 34,177 | 47,217
Land, Acquisition and Development [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 22,747 | 32,159
Land, Acquisition and Development [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 11,430 | 15,058
Land, Consumer Lot Loans [Member] |  |
Gross covered loans | 995 | 1,153
Land, Consumer Lot Loans [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 497 | 499
Land, Consumer Lot Loans [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 498 | 654
Multi Family Housing [Member] |  |
Gross covered loans | 32,343 | 44,239
Multi Family Housing [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 4,698 | 9,333
Multi Family Housing [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 27,645 | 34,906
Commercial Real Estate [Member] |  |
Gross covered loans | 205,376 | 250,063
Commercial Real Estate [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 83,784 | 101,599
Commercial Real Estate [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 121,592 | 148,464
Commercial and Industrial Loans [Member] |  |
Gross covered loans | 31,527 | 58,874
Commercial and Industrial Loans [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 18,504 | 35,993
Commercial and Industrial Loans [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 13,023 | 22,881
Home Equity Line of Credit [Member] |  |
Gross covered loans | 18,280 | 23,559
Home Equity Line of Credit [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 309 | 1,829
Home Equity Line of Credit [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | 17,971 | 21,730
Consumer Portfolio Segment [Member] |  |
Gross covered loans | 1,577 | 2,684
Consumer Portfolio Segment [Member] | Acquired Impaired Assets [Member] |  |
Gross covered loans | 659 | 1,485
Consumer Portfolio Segment [Member] | Acquired Non Impaired Assets [Member] |  |
Gross covered loans | $ 918 | $ 1,199

X
- Definition The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7514592&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 16 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The current period recognition due to accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7514592&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 16 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The increases in the aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable, due to the acquisition of similar loans not accounted for as debt securities during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7514592&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 16 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The change in the estimate of cash flows expected to be collected, after acquisition of loans, which results in an increase in accretable yield (for example, if actual cash flows are significantly greater than previously expected). This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7514592&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 16 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7514592&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 16 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Additons + References No definition available. + Details
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- Definition Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Transfers to Real Estate Owned + References No definition available. + Details
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- Definition Covered assets include loans and real estate held for sale participating in loss share with the FDIC. + References No definition available. + Details
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