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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 | Dec. 31, 2012 | Sep. 30, 2012
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | $ 7,826,527 | $ 7,653,050
Current | 7,599,952 | 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 | 2.89% | 2.69%
Non-Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 7,379,747 | 7,541,953
Current | 7,172,706 | 7,345,497
30 Days | 51,412 | 39,584
60 Days | 29,382 | 21,560
90 Days | 126,247 | 135,312
Total | 207,041 | 196,456
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.81% | 2.60%
Non-Acquired Loans [Member] | Residential Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 5,570,390 | 5,776,002
Current | 5,414,979 | 5,618,261
30 Days | 36,484 | 34,035
60 Days | 25,122 | 16,276
90 Days | 93,805 | 107,430
Total | 155,411 | 157,741
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.79% | 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 | 86,902 | 88,849
Current | 78,536 | 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 | 9.63% | 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 | 120,382 | 107,882
Current | 120,164 | 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 and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 106,679 | 119,192
Current | 94,278 | 106,321
30 Days | 557 | 853
60 Days | 231 | 1,004
90 Days | 11,613 | 11,014
Total | 12,401 | 12,871
Ratio of past due loans to total loans, net of charge-offs and LIPs | 11.62% | 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 | 136,928 | 141,772
Current | 132,135 | 134,560
30 Days | 776 | 1,688
60 Days | 45 | 375
90 Days | 3,972 | 5,149
Total | 4,793 | 7,212
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.50% | 5.09%
Non-Acquired Loans [Member] | Multi Family Housing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 689,164 | 676,917
Current | 681,849 | 672,263
30 Days | 3,102 | 718
60 Days | 130 | 67
90 Days | 4,083 | 3,869
Total | 7,315 | 4,654
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.06% | 0.69%
Non-Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 326,551 | 292,261
Current | 311,428 | 284,427
30 Days | 7,471 | 699
60 Days | 767 | 3,153
90 Days | 6,885 | 3,982
Total | 15,123 | 7,834
Ratio of past due loans to total loans, net of charge-offs and LIPs | 4.63% | 2.68%
Non-Acquired Loans [Member] | Commercial and Industrial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 171,634 | 162,802
Current | 170,760 | 162,778
30 Days | 223 | 8
60 Days | 636 | 0
90 Days | 15 | 16
Total | 874 | 24
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.51% | 0.01%
Non-Acquired Loans [Member] | Home Equity Line of Credit [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 111,986 | 112,902
Current | 111,473 | 112,482
30 Days | 112 | 158
60 Days | 0 | 64
90 Days | 401 | 198
Total | 513 | 420
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.46% | 0.37%
Non-Acquired Loans [Member] | Consumer Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 59,131 | 63,374
Current | 57,104 | 61,405
30 Days | 1,282 | 1,155
60 Days | 393 | 431
90 Days | 352 | 383
Total | 2,027 | 1,969
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.43% | 3.11%
Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 343,550 |
Current | 330,600 |
30 Days | 5,338 |
60 Days | 1,722 |
90 Days | 5,890 |
Total | 12,950 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.77% |
Acquired Loans [Member] | Residential Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 15,495 |
Current | 15,306 |
30 Days | 108 |
60 Days | 26 |
90 Days | 55 |
Total | 189 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.22% |
Acquired Loans [Member] | Construction, Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 90 |
Current | 90 |
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 | 994 |
Current | 994 |
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 and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 3,520 |
Current | 3,520 |
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 | 3,891 |
Current | 3,839 |
30 Days | 0 |
60 Days | 0 |
90 Days | 52 |
Total | 52 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% |
Acquired Loans [Member] | Multi Family Housing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 9,333 |
Current | 5,659 |
30 Days | 0 |
60 Days | 0 |
90 Days | 3,674 |
Total | 3,674 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% |
Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 178,727 |
Current | 175,712 |
30 Days | 0 |
60 Days | 1,661 |
90 Days | 1,354 |
Total | 3,015 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.69% |
Acquired Loans [Member] | Commercial and Industrial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 106,931 |
Current | 101,134 |
30 Days | 5,130 |
60 Days | 0 |
90 Days | 667 |
Total | 5,797 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 5.42% |
Acquired Loans [Member] | Home Equity Line of Credit [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 13,810 |
Current | 13,706 |
30 Days | 16 |
60 Days | 0 |
90 Days | 88 |
Total | 104 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.75% |
Acquired Loans [Member] | Consumer Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 10,759 |
Current | 10,640 |
30 Days | 84 |
60 Days | 35 |
90 Days | 0 |
Total | 119 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.11% |
Credit Impaired Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 103,230 | 111,097
Current | 96,646 | 101,508
30 Days | 51 | 1,618
60 Days | 722 | 2,639
90 Days | 5,811 | 5,332
Total | 6,584 | 9,589
Ratio of past due loans to total loans, net of charge-offs and LIPs | 6.38% | 8.63%
Credit Impaired Acquired Loans [Member] | Residential Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 340 | 342
Current | 340 | 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 | 1,755 | 1,889
Current | 1,755 | 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 and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 2,676 | 3,702
Current | 2,612 | 3,219
30 Days | 0 | 365
60 Days | 0 | 0
90 Days | 64 | 118
Total | 64 | 483
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.39% | 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 Housing [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 Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 83,637 | 87,134
Current | 77,474 | 78,959
30 Days | 0 | 412
60 Days | 722 | 2,549
90 Days | 5,441 | 5,214
Total | 6,163 | 8,175
Ratio of past due loans to total loans, net of charge-offs and LIPs | 7.37% | 9.38%
Credit Impaired Acquired Loans [Member] | Commercial and Industrial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 1,883 | 3,292
Current | 1,527 | 3,054
30 Days | 51 | 238
60 Days | 0 | 0
90 Days | 305 | 0
Total | 356 | 238
Ratio of past due loans to total loans, net of charge-offs and LIPs | 18.91% | 7.23%
Credit Impaired Acquired Loans [Member] | Home Equity Line of Credit [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 12,849 | 14,040
Current | 12,849 | 13,950
30 Days | 0 | 0
60 Days | 0 | 90
90 Days | 0 | 0
Total | 0 | 90
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 0.64%
Credit Impaired Acquired Loans [Member] | Consumer Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 90 | 97
Current | 89 | 95
30 Days | 0 | 2
60 Days | 0 | 0
90 Days | 1 | 0
Total | $ 1 | $ 2
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.11% | 2.06%

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