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Loans Receivable (Tables) | 12 Months Ended
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Sep. 30, 2017
Receivables [Abstract] |
Schedule of loans receivable (excluding covered loans) | The following table is a summary of loans receivable.
| September 30, 2017 |  | September 30, 2016
| (In thousands) |  | (In thousands)
Gross loans by category |  |  |  |  |
Single-family residential | $ | 5,711,004 |  | 46.8 | % |  | $ | 5,658,830 |  | 51.7 | %
Construction | 1,597,996 |  | 13.1 |  |  | 1,110,411 |  | 10.1 |
Construction - custom | 602,631 |  | 4.9 |  |  | 473,069 |  | 4.3 |
Land - acquisition & development | 124,308 |  | 1.0 |  |  | 118,497 |  | 1.1 |
Land - consumer lot loans | 104,405 |  | 0.9 |  |  | 104,567 |  | 1.0 |
Multi-family | 1,303,148 |  | 10.7 |  |  | 1,124,290 |  | 10.3 |
Commercial real estate | 1,434,610 |  | 11.8 |  |  | 1,093,639 |  | 10.0 |
Commercial & industrial | 1,093,360 |  | 9.0 |  |  | 978,589 |  | 8.9 |
HELOC | 144,850 |  | 1.2 |  |  | 149,716 |  | 1.4 |
Consumer | 85,075 |  | 0.7 |  |  | 139,000 |  | 1.3 |
Total gross loans | 12,201,387 |  | 100 | % |  | 10,950,608 |  | 100 | %
Less: |  |  |  |  |
Allowance for probable losses | 123,073 |  |  |  | 113,494 |  |
Loans in process | 1,149,934 |  |  |  | 879,484 |  |
Net deferred fees, costs and discounts | 45,758 |  |  |  | 46,710 |  |
Total loan contra accounts | 1,318,765 |  |  |  | 1,039,688 |  |
Net loans | $ | 10,882,622 |  |  |  | $ | 9,910,920 |  |
Schedule of fixed and adjustable rate loans | The following summary breaks down the Company's fixed rate and adjustable rate loans by time to maturity or to rate adjustment.
September 30, 2017
Fixed-Rate |  | Adjustable-Rate
Term To Maturity | Gross Loans | % of Gross Loans |  | Term To Rate Adjustment | Gross Loans | % of Gross Loans
| (In thousands) |  |  |  | (In thousands) |
Within 1 year | $ | 71,810 |  | 0.6 | % |  | Less than 1 year | $ | 3,157,055 |  | 25.9 | %
1 to 3 years | 216,724 |  | 1.8 |  |  | 1 to 3 years | 498,844 |  | 4.1 |
3 to 5 years | 308,967 |  | 2.5 |  |  | 3 to 5 years | 624,254 |  | 5.1 |
5 to 10 years | 847,518 |  | 6.9 |  |  | 5 to 10 years | 512,774 |  | 4.2 |
10 to 20 years | 1,047,541 |  | 8.6 |  |  | 10 to 20 years | — |  | — |
Over 20 years | 4,915,900 |  | 40.3 |  |  | Over 20 years | — |  | — |
| $ | 7,408,460 |  | 60.7 | % |  |  | $ | 4,792,927 |  | 39.3 | %
Schedule of loans receivable by geographic area | The following tables provide information regarding loans receivable by loan category and geography.
September 30, 2017 | Single - family residential | Multi- family | Land - A & D | Land - lot loans | Construction - custom | Construction | Commercial real estate | Commercial and industrial | Consumer | HELOC | Total
| (In thousands)
Washington | $ | 3,013,957 |  | $ | 315,356 |  | $ | 55,794 |  | $ | 65,449 |  | $ | 357,080 |  | $ | 613,362 |  | $ | 528,762 |  | $ | 555,651 |  | $ | 2,186 |  | $ | 87,290 |  | $ | 5,594,887 |
Oregon | 659,602 |  | 378,588 |  | 33,109 |  | 13,535 |  | 59,861 |  | 269,037 |  | 254,513 |  | 217,813 |  | 2,252 |  | 13,577 |  | 1,901,887 |
Arizona | 581,137 |  | 340,609 |  | 4,801 |  | 11,446 |  | 77,315 |  | 102,546 |  | 218,200 |  | 50,506 |  | 296 |  | 13,781 |  | 1,400,637 |
Other | 57,891 |  | 3,423 |  | — |  | 69 |  | — |  | 4,360 |  | 95,304 |  | 106,226 |  | 78,614 |  | 53 |  | 345,940 |
Utah | 514,922 |  | 40,014 |  | 90 |  | 4,321 |  | 55,064 |  | 272,723 |  | 28,586 |  | 38,328 |  | 22 |  | 7,823 |  | 961,893 |
Idaho | 306,853 |  | 41,243 |  | 14,593 |  | 4,586 |  | 23,721 |  | 45,603 |  | 65,342 |  | 29,529 |  | 123 |  | 7,293 |  | 538,886 |
New Mexico | 202,703 |  | 115,289 |  | 10,272 |  | 2,108 |  | 17,406 |  | 62,635 |  | 173,774 |  | 14,186 |  | 768 |  | 13,332 |  | 612,473 |
Texas | 185,835 |  | 43,493 |  | 5,649 |  | 106 |  | 3,534 |  | 205,595 |  | 61,439 |  | 59,484 |  | 775 |  | — |  | 565,910 |
Nevada | 188,104 |  | 25,133 |  | — |  | 2,785 |  | 8,650 |  | 22,135 |  | 8,690 |  | 21,637 |  | 39 |  | 1,701 |  | 278,874 |
| $ | 5,711,004 |  | $ | 1,303,148 |  | $ | 124,308 |  | $ | 104,405 |  | $ | 602,631 |  | $ | 1,597,996 |  | $ | 1,434,610 |  | $ | 1,093,360 |  | $ | 85,075 |  | $ | 144,850 |  | $ | 12,201,387 |
Percentage by geographic area
September 30, 2017 | Single - family residential | Multi- family | Land - A & D | Land - lot loans | Construction - custom | Construction | Commercial real estate | Commercial and industrial | Consumer | HELOC | Total
| As % of total gross loans
Washington | 24.6 | % | 2.6 | % | 0.4 | % | 0.5 | % | 2.9 | % | 5.1 | % | 4.4 | % | 4.6 | % | — | % | 0.7 | % | 45.8 | %
Oregon | 5.4 |  | 3.1 |  | 0.3 |  | 0.1 |  | 0.5 |  | 2.2 |  | 2.1 |  | 1.8 |  | — |  | 0.1 |  | 15.6 |
Arizona | 4.8 |  | 2.8 |  | — |  | 0.1 |  | 0.6 |  | 0.8 |  | 1.8 |  | 0.4 |  | — |  | 0.1 |  | 11.4 |
Other | 0.5 |  | — |  | — |  | — |  | — |  | — |  | 0.8 |  | 0.9 |  | 0.7 |  | — |  | 2.9 |
Utah | 4.2 |  | 0.3 |  | — |  | 0.1 |  | 0.5 |  | 2.2 |  | 0.2 |  | 0.3 |  | — |  | 0.1 |  | 7.9 |
Idaho | 2.5 |  | 0.4 |  | 0.1 |  | 0.1 |  | 0.2 |  | 0.4 |  | 0.5 |  | 0.2 |  | — |  | 0.1 |  | 4.5 |
New Mexico | 1.7 |  | 0.9 |  | 0.1 |  | — |  | 0.1 |  | 0.5 |  | 1.4 |  | 0.1 |  | — |  | 0.1 |  | 4.9 |
Texas | 1.5 |  | 0.4 |  | — |  | — |  | — |  | 1.7 |  | 0.5 |  | 0.5 |  | — |  | — |  | 4.6 |
Nevada | 1.5 |  | 0.2 |  | 0.1 |  | — |  | 0.1 |  | 0.2 |  | 0.1 |  | 0.2 |  | — |  | — |  | 2.4 |
| 46.7 | % | 10.7 | % | 1.0 | % | 0.9 | % | 4.9 | % | 13.1 | % | 11.8 | % | 9.0 | % | 0.7 | % | 1.2 | % | 100 | %
Percentage by geographic area as a % of each loan type
September 30, 2017 | Single - family residential | Multi- family | Land - A & D | Land - lot loans | Construction - custom | Construction | Commercial real estate | Commercial and industrial | Consumer | HELOC
| As % of total gross loans
Washington | 52.8 | % | 24.2 | % | 44.9 | % | 62.6 | % | 59.4 | % | 38.3 | % | 36.9 | % | 50.9 | % | 2.8 | % | 60.3 | %
Oregon | 11.5 |  | 29.1 |  | 26.6 |  | 13.0 |  | 9.9 |  | 16.8 |  | 17.7 |  | 19.9 |  | 2.6 |  | 9.4 |
Arizona | 10.2 |  | 26.1 |  | 3.9 |  | 11.0 |  | 12.8 |  | 6.4 |  | 15.2 |  | 4.6 |  | 0.3 |  | 9.5 |
Other | 1.0 |  | 0.3 |  | — |  | 0.1 |  | — |  | 0.3 |  | 6.6 |  | 9.7 |  | 92.4 |  | — |
Utah | 9.0 |  | 3.1 |  | 0.1 |  | 4.1 |  | 9.1 |  | 17.1 |  | 2.0 |  | 3.5 |  | — |  | 5.4 |
Idaho | 5.4 |  | 3.2 |  | 11.7 |  | 4.4 |  | 3.9 |  | 2.9 |  | 4.6 |  | 2.7 |  | 0.1 |  | 5.0 |
New Mexico | 3.5 |  | 8.8 |  | 8.3 |  | 2.0 |  | 2.9 |  | 3.9 |  | 12.1 |  | 1.3 |  | 0.9 |  | 9.2 |
Texas | 3.3 |  | 3.3 |  | 4.5 |  | 0.1 |  | 0.6 |  | 12.9 |  | 4.3 |  | 5.4 |  | 0.9 |  | — |
Nevada | 3.3 |  | 1.9 |  | — |  | 2.7 |  | 1.4 |  | 1.4 |  | 0.6 |  | 2.0 |  | — |  | 1.2 |
| 100 | % | 100 | % | 100 | % | 100 | % | 100 | % | 100 | % | 100 | % | 100 | % | 100 | % | 100 | %
Schedule of impaired loans, loan commitments and loans serviced | The following table provides additional information on impaired loans, loan commitments and loans serviced for others.
| September 30, 2017 |  | September 30, 2016
| (In thousands)
Recorded investment in impaired loans | $ | 251,274 |  |  | $ | 285,243 |
TDRs included in impaired loans | 207,377 |  |  | 261,531 |
Allocated reserves on impaired loans | 1,363 |  |  | 1,980 |
Specific reserves on impaired loans | 126 |  |  | 366 |
Average balance of impaired loans for year ended | 274,530 |  |  | 301,685 |
Interest income from impaired loans for year ended | 11,736 |  |  | 12,843 |
Outstanding fixed-rate origination commitments | 425,130 |  |  | 331,947 |
Gross loans serviced for others | 77,119 |  |  | 80,896 |
Non accrual loans held by the company | The following table sets forth information regarding non-accrual loans.
| September 30, 2017 |  | September 30, 2016
| (In thousands) |  | (In thousands)
Non-accrual loans: |  |  |  |  |  |  |
Single-family residential | $ | 27,930 |  |  | 56.3 | % |  | $ | 33,148 |  |  | 78.2 | %
Construction - custom | 91 |  |  | 0.2 |  |  | — |  |  | — |
Land - acquisition & development | 296 |  |  | 0.6 |  |  | 58 |  |  | 0.1 |
Land - consumer lot loans | 605 |  |  | 1.2 |  |  | 510 |  |  | 1.2 |
Multi-family | 139 |  |  | 0.3 |  |  | 776 |  |  | 1.8 |
Commercial real estate | 11,815 |  |  | 23.8 |  |  | 7,100 |  |  | 16.7 |
Commercial & industrial | 8,082 |  |  | 16.3 |  |  | 583 |  |  | 1.4 |
HELOC | 531 |  |  | 1.1 |  |  | 239 |  |  | 0.6 |
Consumer | 91 |  |  | 0.2 |  |  | — |  |  | — |
Total non-accrual loans | $ | 49,580 |  |  | 100 | % |  | $ | 42,414 |  |  | 100 | %
Non-accrual loans as % of total loans | 0.46 | % |  |  |  | 0.43 | % |  |
Aging of past due loans | The following table breaks down delinquent loans by loan category and delinquency bucket.
September 30, 2017 | Amount of Loans |  | Days Delinquent Based on $ Amount of Loans |  | % based on $
Loan type | Net of Loans in Process |  | Current |  | 30 |  | 60 |  | 90 |  | Total |
| (In thousands) |  |
Single-family residential | $ | 5,709,690 |  |  | $ | 5,671,933 |  |  | $ | 10,925 |  |  | $ | 4,810 |  |  | $ | 22,022 |  |  | $ | 37,757 |  |  | 0.66 | %
Construction | 793,959 |  |  | 793,959 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Construction - custom | 277,599 |  |  | 277,508 |  |  | — |  |  | — |  |  | 91 |  |  | 91 |  |  | 0.03 |
Land - acquisition & development | 104,856 |  |  | 104,526 |  |  | — |  |  | — |  |  | 330 |  |  | 330 |  |  | 0.31 |
Land - consumer lot loans | 104,335 |  |  | 103,389 |  |  | 112 |  |  | 680 |  |  | 154 |  |  | 946 |  |  | 0.91 |
Multi-family | 1,303,119 |  |  | 1,302,720 |  |  | 5 |  |  | 255 |  |  | 139 |  |  | 399 |  |  | 0.03 |
Commercial real estate | 1,434,610 |  |  | 1,432,052 |  |  | 507 |  |  | — |  |  | 2,051 |  |  | 2,558 |  |  | 0.18 |
Commercial & industrial | 1,093,360 |  |  | 1,092,735 |  |  | — |  |  | 51 |  |  | 574 |  |  | 625 |  |  | 0.06 |
HELOC | 144,850 |  |  | 143,974 |  |  | 221 |  |  | 342 |  |  | 313 |  |  | 876 |  |  | 0.60 |
Consumer | 85,075 |  |  | 84,644 |  |  | 245 |  |  | 107 |  |  | 79 |  |  | 431 |  |  | 0.51 |
Total Loans | $ | 11,051,453 |  |  | $ | 11,007,440 |  |  | $ | 12,015 |  |  | $ | 6,245 |  |  | $ | 25,753 |  |  | $ | 44,013 |  |  | 0.40 | %
Delinquency % |  |  | 99.60% |  | 0.11% |  | 0.06% |  | 0.23% |  | 0.40% |  |
Schedule of loan modifications | The following table provides information related to loans that were modified in a TDR during the periods presented.
| Twelve Months Ended September 30, 2017 |  | Twelve Months Ended September 30, 2016
|  |  | Pre-Modification |  | Post-Modification |  |  |  | Pre-Modification |  | Post-Modification
|  |  | Outstanding |  | Outstanding |  |  |  | Outstanding |  | Outstanding
| Number of |  | Recorded |  | Recorded |  | Number of |  | Recorded |  | Recorded
Troubled Debt Restructurings: | Contracts |  | Investment |  | Investment |  | Contracts |  | Investment |  | Investment
|  |  | (In thousands) |  |  |  | (In thousands)
Single-family residential | 38 |  |  | $ | 7,115 |  |  | $ | 7,115 |  |  | 120 |  |  | $ | 23,541 |  |  | $ | 23,541 |
Land - consumer lot loans | 2 |  |  | 211 |  |  | 211 |  |  | 10 |  |  | 970 |  |  | 970 |
Commercial real estate | — |  |  | — |  |  | — |  |  | 7 |  |  | 2,523 |  |  | 2,523 |
HELOC | 4 |  |  | 552 |  |  | 552 |  |  | 1 |  |  | 126 |  |  | 126 |
Consumer | — |  |  | — |  |  | — |  |  | 1 |  |  | 24 |  |  | 24 |
| 44 |  |  | $ | 7,878 |  |  | $ | 7,878 |  |  | 139 |  |  | $ | 27,184 |  |  | $ | 27,184 |
The following table provides information on payment defaults occurring during the periods presented where the loan had been modified in a TDR within 12 months of the payment default.
| Twelve Months Ended September 30, 2017 |  | Twelve Months Ended September 30, 2016
| Number of |  | Recorded |  | Number of |  | Recorded
TDRs That Subsequently Defaulted: | Contracts |  | Investment |  | Contracts |  | Investment
| (In thousands) |  | (In thousands)
Single-family residential | 24 |  |  | $ | 4,214 |  |  | 17 |  |  | $ | 4,875 |
Construction | — |  |  | — |  |  | 1 |  |  | 279 |
Land - consumer lot loans | — |  |  | — |  |  | 5 |  |  | 606 |
Commercial real estate | 2 |  |  | 267 |  |  | 2 |  |  | 326 |
| 26 |  |  | $ | 4,481 |  |  | 25 |  |  | $ | 6,086 |
Schedule of activity for FDIC indemnification asset | The following table shows the year to date activity for the FDIC indemnification asset.
| Twelve Months Ended September 30, 2017 |  | Twelve Months Ended September 30, 2016
| (In thousands)
Balance at beginning of year | $ | 12,769 |  |  | $ | 16,275 |
Payments received | (584 | ) |  | (1,730 | )
Amortization | (3,450 | ) |  | (2,012 | )
Accretion | 232 |  |  | 236 |
Balance at end of year | $ | 8,967 |  |  | $ | 12,769 |

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