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Loans Receivable (excluding Covered Loans) (Loans Receivable, Analysis of Age of Loans in Past Due Status) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Sep. 30, 2012
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | $ 7,640,776 | $ 7,653,050
Current | 7,414,201 | 7,447,005
30 Days | 56,801 | 41,202
60 Days | 31,826 | 24,199
90 Days | 137,948 | 140,644
Total | 226,575 | 206,045
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.97% | 2.69%
Non-Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 7,213,950 | 7,541,953
Current | 6,993,713 | 7,345,497
30 Days | 53,221 | 39,584
60 Days | 31,302 | 21,560
90 Days | 135,714 | 135,312
Total | 220,237 | 196,456
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.05% | 2.60%
Non-Acquired Loans [Member] | Single-Family Residential [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 5,371,033 | 5,776,002
Current | 5,215,549 | 5,618,261
30 Days | 36,476 | 34,035
60 Days | 25,148 | 16,276
90 Days | 93,860 | 107,430
Total | 155,484 | 157,741
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.89% | 2.73%
Non-Acquired Loans [Member] | Construction - Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 81,265 | 88,849
Current | 72,899 | 85,785
30 Days | 1,373 | 142
60 Days | 1,911 | 190
90 Days | 5,082 | 2,732
Total | 8,366 | 3,064
Ratio of past due loans to total loans, net of charge-offs and LIPs | 10.29% | 3.45%
Non-Acquired Loans [Member] | Construction - Custom [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 120,793 | 107,882
Current | 120,575 | 107,215
30 Days | 32 | 128
60 Days | 147 | 0
90 Days | 39 | 539
Total | 218 | 667
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.18% | 0.62%
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 88,357 | 119,192
Current | 75,892 | 106,321
30 Days | 557 | 853
60 Days | 231 | 1,004
90 Days | 11,677 | 11,014
Total | 12,465 | 12,871
Ratio of past due loans to total loans, net of charge-offs and LIPs | 14.11% | 10.80%
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 129,887 | 141,772
Current | 125,094 | 134,560
30 Days | 724 | 1,688
60 Days | 45 | 375
90 Days | 4,024 | 5,149
Total | 4,793 | 7,212
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.69% | 5.09%
Non-Acquired Loans [Member] | Multi-Family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 697,943 | 676,917
Current | 686,954 | 672,263
30 Days | 3,102 | 718
60 Days | 130 | 67
90 Days | 7,757 | 3,869
Total | 10,989 | 4,654
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.57% | 0.69%
Non-Acquired Loans [Member] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 360,607 | 292,261
Current | 341,041 | 284,427
30 Days | 5,154 | 699
60 Days | 2,858 | 3,153
90 Days | 11,554 | 3,982
Total | 19,566 | 7,834
Ratio of past due loans to total loans, net of charge-offs and LIPs | 5.43% | 2.68%
Non-Acquired Loans [Member] | Commercial & Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 198,488 | 162,802
Current | 192,479 | 162,778
30 Days | 4,386 | 8
60 Days | 636 | 0
90 Days | 987 | 16
Total | 6,009 | 24
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.03% | 0.01%
Non-Acquired Loans [Member] | HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 111,622 | 112,902
Current | 111,322 | 112,482
30 Days | 128 | 158
60 Days | (227) | 64
90 Days | 399 | 198
Total | 300 | 420
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.27% | 0.37%
Non-Acquired Loans [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 53,955 | 63,374
Current | 51,908 | 61,405
30 Days | 1,289 | 1,155
60 Days | 423 | 431
90 Days | 335 | 383
Total | 2,047 | 1,969
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.79% | 3.11%
Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 327,383 |
Current | 325,461 |
30 Days | 1,899 |
60 Days | 5 |
90 Days | 18 |
Total | 1,922 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.59% |
Acquired Loans [Member] | Single-Family Residential [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 15,428 |
Current | 15,312 |
30 Days | 116 |
60 Days | 0 |
90 Days | 0 |
Total | 116 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.75% |
Acquired Loans [Member] | Construction - Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 177 |
Current | 177 |
30 Days | 0 |
60 Days | 0 |
90 Days | 0 |
Total | 0 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% |
Acquired Loans [Member] | Construction - Custom [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 313 |
Current | 313 |
30 Days | 0 |
60 Days | 0 |
90 Days | 0 |
Total | 0 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% |
Acquired Loans [Member] | Land - Acquisition & Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 3,436 |
Current | 3,436 |
30 Days | 0 |
60 Days | 0 |
90 Days | 0 |
Total | 0 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% |
Acquired Loans [Member] | Land - Consumer Lot Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 3,819 |
Current | 3,767 |
30 Days | 52 |
60 Days | 0 |
90 Days | 0 |
Total | 52 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.36% |
Acquired Loans [Member] | Multi-Family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 7,714 |
Current | 7,714 |
30 Days | 0 |
60 Days | 0 |
90 Days | 0 |
Total | 0 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% |
Acquired Loans [Member] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 177,101 |
Current | 176,444 |
30 Days | 657 |
60 Days | 0 |
90 Days | 0 |
Total | 657 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.37% |
Acquired Loans [Member] | Commercial & Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 96,255 |
Current | 95,258 |
30 Days | 997 |
60 Days | 0 |
90 Days | 0 |
Total | 997 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.04% |
Acquired Loans [Member] | HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 13,094 |
Current | 13,094 |
30 Days | 0 |
60 Days | 0 |
90 Days | 0 |
Total | 0 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% |
Acquired Loans [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 10,046 |
Current | 9,946 |
30 Days | 77 |
60 Days | 5 |
90 Days | 18 |
Total | 100 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.00% |
Credit Impaired Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 99,443 | 111,097
Current | 95,027 | 101,508
30 Days | 1,681 | 1,618
60 Days | 519 | 2,639
90 Days | 2,216 | 5,332
Total | 4,416 | 9,589
Ratio of past due loans to total loans, net of charge-offs and LIPs | 4.44% | 8.63%
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 338 | 342
Current | 338 | 342
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 0 | 0
Total | 0 | 0
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 0.00%
Credit Impaired Acquired Loans [Member] | Construction - Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 1,749 | 1,889
Current | 1,749 | 1,889
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 0 | 0
Total | 0 | 0
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 0.00%
Credit Impaired Acquired Loans [Member] | Construction - Custom [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 0 | 0
Current | 0 | 0
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 0 | 0
Total | 0 | 0
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 0.00%
Credit Impaired Acquired Loans [Member] | Land - Acquisition & Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 2,577 | 3,702
Current | 2,577 | 3,219
30 Days | 0 | 365
60 Days | 0 | 0
90 Days | 0 | 118
Total | 0 | 483
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 13.05%
Credit Impaired Acquired Loans [Member] | Land - Consumer Lot Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 0 | 0
Current | 0 | 0
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 0 | 0
Total | 0 | 0
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 0.00%
Credit Impaired Acquired Loans [Member] | Multi-Family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 0 | 601
Current | 0 | 0
30 Days | 0 | 601
60 Days | 0 | 0
90 Days | 0 | 0
Total | 0 | 601
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 0.00%
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 79,850 | 87,134
Current | 75,772 | 78,959
30 Days | 1,660 | 412
60 Days | 292 | 2,549
90 Days | 2,126 | 5,214
Total | 4,078 | 8,175
Ratio of past due loans to total loans, net of charge-offs and LIPs | 5.11% | 9.38%
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 2,091 | 3,292
Current | 2,070 | 3,054
30 Days | 21 | 238
60 Days | 0 | 0
90 Days | 0 | 0
Total | 21 | 238
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.00% | 7.23%
Credit Impaired Acquired Loans [Member] | HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 12,757 | 14,040
Current | 12,440 | 13,950
30 Days | 0 | 0
60 Days | 227 | 90
90 Days | 90 | 0
Total | 317 | 90
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.48% | 0.64%
Credit Impaired Acquired Loans [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 81 | 97
Current | 81 | 95
30 Days | 0 | 2
60 Days | 0 | 0
90 Days | 0 | 0
Total | $ 0 | $ 2
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 2.06%

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