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Allowance for Losses on Loans (Tables) | 3 Months Ended
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Dec. 31, 2015
Receivables [Abstract] |
Summary of Activity in Allowance for Loan Losses | The following tables summarize the activity in the allowance for loan losses.
Three Months Ended December 31, 2015 | Beginning Allowance |  | Charge-offs |  | Recoveries |  | Provision & Transfers |  | Ending Allowance
| (In thousands)
Single-family residential | $ | 47,347 |  |  | $ | (1,139 | ) |  | $ | 2,466 |  |  | $ | (918 | ) |  | $ | 47,756 |
Construction | 6,680 |  |  | — |  |  | 155 |  |  | 179 |  |  | 7,014 |
Construction - custom | 990 |  |  | (60 | ) |  | — |  |  | 132 |  |  | 1,062 |
Land - acquisition & development | 5,781 |  |  | — |  |  | 35 |  |  | 962 |  |  | 6,778 |
Land - consumer lot loans | 2,946 |  |  | (408 | ) |  | — |  |  | 463 |  |  | 3,001 |
Multi-family | 5,304 |  |  | — |  |  | — |  |  | (257 | ) |  | 5,047 |
Commercial real estate | 8,960 |  |  | (23 | ) |  | 123 |  |  | 1,284 |  |  | 10,344 |
Commercial & industrial | 24,980 |  |  | (248 | ) |  | 1 |  |  | (637 | ) |  | 24,096 |
HELOC | 902 |  |  | (1 | ) |  | 21 |  |  | (102 | ) |  | 820 |
Consumer | 2,939 |  |  | (242 | ) |  | 392 |  |  | (1,106 | ) |  | 1,983 |
| $ | 106,829 |  |  | $ | (2,121 | ) |  | $ | 3,193 |  |  | $ | — |  |  | $ | 107,901 |
Fiscal Year Ended September 30, 2015 | Beginning Allowance |  | Charge-offs |  | Recoveries |  | Provision & Transfers |  | Ending Allowance
| (In thousands)
Single-family residential | $ | 62,763 |  |  | $ | (5,524 | ) |  | $ | 13,403 |  |  | $ | (23,295 | ) |  | $ | 47,347 |
Construction | 6,742 |  |  | (388 | ) |  | $ | 120 |  |  | 206 |  |  | 6,680 |
Construction - custom | 1,695 |  |  | — |  |  | — |  |  | (705 | ) |  | 990 |
Land - acquisition & development | 5,592 |  |  | (38 | ) |  | 207 |  |  | 20 |  |  | 5,781 |
Land - consumer lot loans | 3,077 |  |  | (459 | ) |  | 221 |  |  | 107 |  |  | 2,946 |
Multi-family | 4,248 |  |  | — |  |  | 220 |  |  | 836 |  |  | 5,304 |
Commercial real estate | 7,548 |  |  | (1,711 | ) |  | 735 |  |  | 2,388 |  |  | 8,960 |
Commercial & industrial | 16,527 |  |  | (3,354 | ) |  | 1,374 |  |  | 10,433 |  |  | 24,980 |
HELOC | 928 |  |  | (66 | ) |  | 2 |  |  | 38 |  |  | 902 |
Consumer | 3,227 |  |  | (3,060 | ) |  | 3,688 |  |  | (916 | ) |  | 2,939 |
Covered loans | 2,244 |  |  | — |  |  | — |  |  | (2,244 | ) |  | — |
| $ | 114,591 |  |  | $ | (14,600 | ) |  | $ | 19,970 |  |  | $ | (13,132 | ) |  | $ | 106,829 |
Summary of Loans Collectively and Individually Evaluated for Impairment and Related Allocation of Reserves | The following tables show loans collectively and individually evaluated for impairment and the related allocation of general and specific reserves.
December 31, 2015 | Loans Collectively Evaluated for Impairment |  | Loans Individually Evaluated for Impairment
| Allowance Allocation |  | Recorded Investment of Loans (1) |  | Ratio |  | Allowance Allocation |  | Recorded Investment of Loans (1) |  | Ratio
| (In thousands) |  |  |  | (In thousands)
Single-family residential | $ | 47,625 |  |  | $ | 5,614,580 |  |  | 0.8 | % |  | $ | 130 |  |  | $ | 14,206 |  |  | 0.9 | %
Construction | 7,014 |  |  | 121,689 |  |  | 5.8 |  |  | — |  |  | — |  |  | — |
Construction - custom | 1,062 |  |  | 218,749 |  |  | 0.5 |  |  | — |  |  | 2,578 |  |  | — |
Land - acquisition & development | 6,778 |  |  | 77,223 |  |  | 8.8 |  |  | — |  |  | 6,649 |  |  | — |
Land - consumer lot loans | 3,001 |  |  | 91,664 |  |  | 3.3 |  |  | — |  |  | 10,658 |  |  | — |
Multi-family | 5,048 |  |  | 1,085,243 |  |  | 0.5 |  |  | — |  |  | 3,500 |  |  | — |
Commercial real estate | 10,344 |  |  | 939,248 |  |  | 1.1 |  |  | — |  |  | 9,811 |  |  | — |
Commercial & industrial | 24,096 |  |  | 776,240 |  |  | 3.1 |  |  | — |  |  | 27 |  |  | — |
HELOC | 820 |  |  | 126,596 |  |  | 0.6 |  |  | — |  |  | 1,310 |  |  | — |
Consumer | 1,983 |  |  | 180,814 |  |  | 1.1 |  |  | — |  |  | 328 |  |  | — |
| $ | 107,771 |  |  | $ | 9,232,046 |  |  | 1.2 | % |  | $ | 130 |  |  | $ | 49,067 |  |  | 0.3 | %
(1) | Excludes acquired loans with discounts sufficient to absorb potential losses and covered loans
September 30, 2015 | Loans Collectively Evaluated for Impairment |  | Loans Individually Evaluated for Impairment
| Allowance Allocation |  | Recorded Investment of Loans (1) |  | Ratio |  | Allowance Allocation |  | Recorded Investment of Loans (1) |  | Ratio
| (In thousands) |  |  |  | (In thousands)
Single-family residential | $ | 47,073 |  |  | $ | 5,595,752 |  |  | 0.8 | % |  | $ | 275 |  |  | $ | 51,718 |  |  | 0.5 | %
Construction | 6,680 |  |  | 124,679 |  |  | 5.4 |  |  | — |  |  | 5,441 |  |  | — |
Construction - custom | 990 |  |  | 205,692 |  |  | 0.5 |  |  | — |  |  | — |  |  | — |
Land - acquisition & development | 5,781 |  |  | 72,602 |  |  | 8.0 |  |  | — |  |  | 2,198 |  |  | — |
Land - consumer lot loans | 2,946 |  |  | 93,103 |  |  | 3.2 |  |  | — |  |  | 10,824 |  |  | — |
Multi-family | 5,304 |  |  | 1,062,194 |  |  | 0.5 |  |  | — |  |  | 5,348 |  |  | — |
Commercial real estate | 8,960 |  |  | 844,691 |  |  | 1.1 |  |  | — |  |  | 8,826 |  |  | — |
Commercial & industrial | 24,980 |  |  | 643,577 |  |  | 3.9 |  |  | — |  |  | — |  |  | — |
HELOC | 902 |  |  | 126,594 |  |  | 0.7 |  |  | — |  |  | 1,072 |  |  | — |
Consumer | 2,938 |  |  | 194,569 |  |  | 1.5 |  |  | — |  |  | 86 |  |  | — |
| $ | 106,554 |  |  | $ | 8,963,453 |  |  | 1.2 | % |  | $ | 275 |  |  | $ | 85,513 |  |  | 0.3 | %
(1) Excludes acquired loans with discounts sufficient to absorb potential losses and covered loans
Summary of Loans Based on Credit Quality Indicators | The following tables provide information on loans based on risk rating categories as defined above.
December 31, 2015 | Internally Assigned Grade |  |
| Pass |  | Special mention |  | Substandard |  | Doubtful |  | Loss |  | Total Gross Loans
| (In thousands)
Non-acquired loans |  |  |  |  |  |  |  |  |  |  |
Single-family residential | $ | 5,551,785 |  |  | $ | — |  |  | $ | 77,930 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,629,715 |
Construction | 655,964 |  |  | 4,274 |  |  | — |  |  | — |  |  | — |  |  | 660,238 |
Construction - custom | 402,000 |  |  | — |  |  | 2,849 |  |  | — |  |  | — |  |  | 404,849 |
Land - acquisition & development | 87,772 |  |  | 5,627 |  |  | 3,626 |  |  | — |  |  | — |  |  | 97,025 |
Land - consumer lot loans | 100,125 |  |  | — |  |  | 2,251 |  |  | — |  |  | — |  |  | 102,376 |
Multi-family | 997,696 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 997,696 |
Commercial real estate | 813,974 |  |  | 8,111 |  |  | 17,073 |  |  | — |  |  | — |  |  | 839,157 |
Commercial & industrial | 713,240 |  |  | 3,058 |  |  | 34,775 |  |  | — |  |  | — |  |  | 751,073 |
HELOC | 127,198 |  |  | — |  |  | 721 |  |  | — |  |  | — |  |  | 127,919 |
Consumer | 180,892 |  |  | — |  |  | 250 |  |  | — |  |  | — |  |  | 181,142 |
| 9,630,645 |  |  | 21,070 |  |  | 139,475 |  |  | — |  |  | — |  |  | 9,791,190 |
Non-impaired acquired loans | 152,761 |  |  | — |  |  | 11,619 |  |  | — |  |  | — |  |  | 164,380 |
Credit-impaired acquired loans | 79,555 |  |  | 199 |  |  | 36,276 |  |  | — |  |  | — |  |  | 116,030 |
Covered loans | 37,555 |  |  | — |  |  | 1,029 |  |  | — |  |  | — |  |  | 38,584 |
Total gross loans | $ | 9,900,516 |  |  | $ | 21,269 |  |  | $ | 188,399 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,110,184 |
Total grade as a % of total gross loans | 97.9 | % |  | 0.2 | % |  | 1.9 | % |  | — | % |  | — | % |  |
September 30, 2015 | Internally Assigned Grade |  |
| Pass |  | Special mention |  | Substandard |  | Doubtful |  | Loss |  | Total Gross Loans
| (In thousands)
Non-acquired loans |  |  |  |  |  |  |  |  |  |  |
Single-family residential | $ | 5,558,700 |  |  | $ | — |  |  | $ | 93,145 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,651,845 |
Construction | 197,935 |  |  | — |  |  | 2,574 |  |  | — |  |  | — |  |  | 200,509 |
Construction - custom | 396,307 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 396,307 |
Land - acquisition & development | 89,656 |  |  | — |  |  | 4,552 |  |  | — |  |  | — |  |  | 94,208 |
Land - consumer lot loans | 103,569 |  |  | — |  |  | 420 |  |  | — |  |  | — |  |  | 103,989 |
Multi-family | 1,118,673 |  |  | 865 |  |  | 6,184 |  |  | — |  |  | — |  |  | 1,125,722 |
Commercial real estate | 971,510 |  |  | 4,360 |  |  | 10,400 |  |  | — |  |  | — |  |  | 986,270 |
Commercial & industrial | 575,034 |  |  | 1,496 |  |  | 36,306 |  |  | — |  |  | — |  |  | 612,836 |
HELOC | 127,398 |  |  | — |  |  | 248 |  |  | — |  |  | — |  |  | 127,646 |
Consumer | 194,451 |  |  | — |  |  | 204 |  |  | — |  |  | — |  |  | 194,655 |
| 9,333,233 |  |  | 6,721 |  |  | 154,033 |  |  | — |  |  | — |  |  | 9,493,987 |
Non-impaired acquired loans | 149,891 |  |  | — |  |  | 16,402 |  |  | — |  |  | — |  |  | 166,293 |
Credit-impaired acquired loans | 61,019 |  |  | — |  |  | 26,062 |  |  | — |  |  | — |  |  | 87,081 |
Covered loans | 61,776 |  |  | — |  |  | 14,133 |  |  | — |  |  | — |  |  | 75,909 |
Total gross loans | $ | 9,605,919 |  |  | $ | 6,721 |  |  | $ | 210,630 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,823,270 |
Total grade as a % of total gross loans | 97.8 | % |  | 0.1 | % |  | 2.1 | % |  | — | % |  | — | % |  |
The following tables provide information on loans (excluding acquired and covered loans) based on borrower payment activity.
December 31, 2015 | Performing Loans |  | Non-Performing Loans
| Amount |  | % of Total Gross Loans |  | Amount |  | % of Total Gross Loans
| (In thousands)
Single-family residential | $ | 5,585,859 |  |  | 99.2 | % |  | $ | 43,856 |  |  | 0.8 | %
Construction | 660,238 |  |  | 100.0 |  |  | — |  |  | — |
Construction - custom | 402,331 |  |  | 99.4 |  |  | 2,518 |  |  | 0.6 |
Land - acquisition & development | 96,516 |  |  | 99.5 |  |  | 509 |  |  | 0.5 |
Land - consumer lot loans | 101,437 |  |  | 99.1 |  |  | 939 |  |  | 0.9 |
Multi-family | 996,158 |  |  | 99.8 |  |  | 1,538 |  |  | 0.2 |
Commercial real estate | 832,476 |  |  | 99.2 |  |  | 6,681 |  |  | 0.8 |
Commercial & industrial | 750,958 |  |  | 100.0 |  |  | 115 |  |  | — |
HELOC | 127,446 |  |  | 99.6 |  |  | 473 |  |  | 0.4 |
Consumer | 181,023 |  |  | 99.9 |  |  | 119 |  |  | 0.1 |
| $ | 9,734,442 |  |  | 99.4 | % |  | $ | 56,748 |  |  | 0.6 | %
September 30, 2015 | Performing Loans |  | Non-Performing Loans
| Amount |  | % of Total Gross Loans |  | Amount |  | % of Total Gross Loans
| (In thousands)
Single-family residential | $ | 5,592,771 |  |  | 99.0 | % |  | $ | 59,074 |  |  | 1.0 | %
Construction | 199,755 |  |  | 99.6 |  |  | 754 |  |  | 0.4 |
Construction - custom | 395,575 |  |  | 99.8 |  |  | 732 |  |  | 0.2 |
Land - acquisition & development | 94,208 |  |  | 100.0 |  |  | — |  |  | — |
Land - consumer lot loans | 102,716 |  |  | 98.8 |  |  | 1,273 |  |  | 1.2 |
Multi-family | 1,123,165 |  |  | 99.8 |  |  | 2,558 |  |  | 0.2 |
Commercial real estate | 984,093 |  |  | 99.8 |  |  | 2,176 |  |  | 0.2 |
Commercial & industrial | 612,836 |  |  | 100.0 |  |  | — |  |  | — |
HELOC | 127,083 |  |  | 99.6 |  |  | 563 |  |  | 0.4 |
Consumer | 193,975 |  |  | 99.7 |  |  | 680 |  |  | 0.3 |
| $ | 9,426,177 |  |  | 99.3 | % |  | $ | 67,810 |  |  | 0.7 | %
Summary of Impaired Loans Based on Type | The following tables provide information on impaired loan balances and the related allowances by loan types.
December 31, 2015 | Recorded Investment |  | Unpaid Principal Balance |  | Related Allowance |  | Average Recorded Investment |
| (In thousands)
With no related allowance recorded: |  |  |  |  |  |  |  |
Single-family residential | $ | 14,791 |  |  | $ | 16,304 |  |  | $ | — |  |  | $ | 12,837 |  |
Construction | — |  |  | — |  |  | — |  |  | — |  |
Construction - custom | 1,182 |  |  | 1,182 |  |  | — |  |  | 868 |  |
Land - acquisition & development | 542 |  |  | 8,630 |  |  | — |  |  | 1,327 |  |
Land - consumer lot loans | 510 |  |  | 527 |  |  | — |  |  | 427 |  |
Multi-family | 761 |  |  | 4,754 |  |  | — |  |  | 1,117 |  |
Commercial real estate | 7,331 |  |  | 8,671 |  |  | — |  |  | 4,686 |  |
Commercial & industrial | 953 |  |  | 6,687 |  |  | — |  |  | 948 |  |
HELOC | 262 |  |  | 631 |  |  | — |  |  | 245 |  |
Consumer | 479 |  |  | 479 |  |  | — |  |  | 385 |  |
| 26,811 |  |  | 47,865 |  |  | — |  |  | 22,840 |  |
With an allowance recorded: |  |  |  |  |  |  |  |
Single-family residential | 246,210 |  |  | 249,530 |  |  | 6,339 |  |  | 246,922 |  |
Construction | — |  |  | — |  |  | — |  |  | — |  |
Construction - custom | — |  |  | — |  |  | — |  |  | — |  |
Land - acquisition & development | 2,101 |  |  | 3,303 |  |  | — |  |  | 2,294 |  |
Land - consumer lot loans | 11,080 |  |  | 11,345 |  |  | — |  |  | 11,120 |  |
Multi-family | 2,430 |  |  | 2,435 |  |  | — |  |  | 2,437 |  |
Commercial real estate | 23,802 |  |  | 27,168 |  |  | — |  |  | 24,042 |  |
Commercial & industrial | — |  |  | — |  |  | — |  |  | — |  |
HELOC | 1,393 |  |  | 1,393 |  |  | — |  |  | 1,393 |  |
Consumer | 97 |  |  | 286 |  |  | — |  |  | 98 |  |
| 287,113 |  |  | 295,460 |  |  | 6,339 |  | (1) | 288,306 |  |
Total: |  |  |  |  |  |  |  |
Single-family residential | 261,001 |  |  | 265,834 |  |  | 6,339 |  |  | 259,759 |  |
Construction | — |  |  | — |  |  | — |  |  | — |  |
Construction - custom | 1,182 |  |  | 1,182 |  |  | — |  |  | 868 |  |
Land - acquisition & development | 2,643 |  |  | 11,933 |  |  | — |  |  | 3,621 |  |
Land - consumer lot loans | 11,590 |  |  | 11,872 |  |  | — |  |  | 11,547 |  |
Multi-family | 3,191 |  |  | 7,189 |  |  | — |  |  | 3,554 |  |
Commercial real estate | 31,133 |  |  | 35,839 |  |  | — |  |  | 28,728 |  |
Commercial & industrial | 953 |  |  | 6,687 |  |  | — |  |  | 948 |  |
HELOC | 1,655 |  |  | 2,024 |  |  | — |  |  | 1,638 |  |
Consumer | 576 |  |  | 765 |  |  | — |  |  | 483 |  |
| $ | 313,924 |  |  | $ | 343,325 |  |  | $ | 6,339 |  | (1) | $ | 311,146 |  |
(1) | Includes $130,000 of specific reserves and $6,209,000 included in the general reserves.
September 30, 2015 | Recorded Investment |  | Unpaid Principal Balance |  | Related Allowance |  | Average Recorded Investment
| (In thousands)
With no related allowance recorded: |  |  |  |  |  |  |
Single-family residential | $ | 17,250 |  |  | $ | 19,644 |  |  | $ | — |  |  | $ | 14,069 |
Construction | 453 |  |  | 2,151 |  |  | — |  |  | 471 |
Construction - custom | 554 |  |  | 554 |  |  | — |  |  | 182 |
Land - acquisition & development | 2,570 |  |  | 9,426 |  |  | — |  |  | 926 |
Land - consumer lot loans | 727 |  |  | 814 |  |  | — |  |  | 544 |
Multi-family | 3,770 |  |  | 7,054 |  |  | — |  |  | 1,545 |
Commercial real estate | 9,427 |  |  | 15,620 |  |  | — |  |  | 8,130 |
Commercial & industrial | 2,955 |  |  | 13,066 |  |  | — |  |  | 2,681 |
HELOC | 683 |  |  | 1,532 |  |  | — |  |  | 536 |
Consumer | 477 |  |  | 703 |  |  | — |  |  | 390 |
| 38,866 |  |  | 70,564 |  |  | — |  |  | 29,474 |
With an allowance recorded: |  |  |  |  |  |  |
Single-family residential | 259,461 |  |  | 263,268 |  |  | 6,678 |  |  | 260,028 |
Construction | 4,988 |  |  | 5,778 |  |  | — |  |  | 5,432 |
Land - acquisition & development | 2,486 |  |  | 3,426 |  |  | — |  |  | 3,478 |
Land - consumer lot loans | 11,289 |  |  | 11,554 |  |  | — |  |  | 11,324 |
Multi-family | 3,823 |  |  | 3,823 |  |  | — |  |  | 3,732 |
Commercial real estate | 19,124 |  |  | 21,078 |  |  | — |  |  | 18,886 |
HELOC | 1,443 |  |  | 1,443 |  |  | — |  |  | 1,359 |
Consumer | 99 |  |  | 289 |  |  | — |  |  | 102 |
| 302,713 |  |  | 310,659 |  |  | 6,678 |  | (1) | 304,341 |
Total: |  |  |  |  |  |  |
Single-family residential | 276,711 |  |  | 282,912 |  |  | 6,678 |  |  | 274,097 |
Construction | 5,441 |  |  | 7,929 |  |  | — |  |  | 5,903 |
Construction - custom | 554 |  |  | 554 |  |  | — |  |  | 182 |
Land - acquisition & development | 5,056 |  |  | 12,852 |  |  | — |  |  | 4,404 |
Land - consumer lot loans | 12,016 |  |  | 12,368 |  |  | — |  |  | 11,868 |
Multi-family | 7,593 |  |  | 10,877 |  |  | — |  |  | 5,277 |
Commercial real estate | 28,551 |  |  | 36,698 |  |  | — |  |  | 27,016 |
Commercial & industrial | 2,955 |  |  | 13,066 |  |  | — |  |  | 2,681 |
HELOC | 2,126 |  |  | 2,975 |  |  | — |  |  | 1,895 |
Consumer | 576 |  |  | 992 |  |  | — |  |  | 492 |
| $ | 341,579 |  |  | $ | 381,223 |  |  | $ | 6,678 |  | (1) | $ | 333,815 |
(1) | Includes $275,000 of specific reserves and $6,403,000 included in the general reser

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=32702940&loc=SL6953803-111525 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953659-111524 + Details
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- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 + Details
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- References No definition available. + Details
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- Definition Schedule of Loans Collectively and Individually Evaluated for Impairment [Table Text Block] + References No definition available. + Details
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