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Allowance for Losses on Loans - Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | $ 109,919 | $ 108,323 | $ 106,829 | $ 114,591
Charge-offs | (1,175) | (6,551) | (5,234) | (11,677)
Recoveries | 4,072 | 6,238 | 12,722 | 15,329
Provision & Transfers | (1,800) | (2,399) | (3,301) | (12,632)
Ending Allowance | 111,016 | 105,611 | 111,016 | 105,611
Single-family residential |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 41,828 | 54,762 | 47,347 | 62,763
Charge-offs | (634) | (1,698) | (2,800) | (4,801)
Recoveries | 162 | 3,878 | 2,739 | 10,553
Provision & Transfers | (675) | (4,938) | (6,605) | (16,511)
Ending Allowance | 40,681 | 52,004 | 40,681 | 52,004
Construction |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 15,726 | 5,445 | 6,680 | 6,742
Charge-offs | 0 | 0 | 0 | (388)
Recoveries | 207 | 0 | 357 | 75
Provision & Transfers | 1,729 | 488 | 10,625 | (496)
Ending Allowance | 17,662 | 5,933 | 17,662 | 5,933
Construction - custom |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 1,022 | 968 | 990 | 1,695
Charge-offs | 0 | 0 | (60) | 0
Recoveries | 60 | 0 | 60 | 0
Provision & Transfers | (54) | 17 | 38 | (710)
Ending Allowance | 1,028 | 985 | 1,028 | 985
Land - acquisition & development |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 7,252 | 7,405 | 5,781 | 5,592
Charge-offs | (31) | 0 | (31) | (38)
Recoveries | 2,741 | 1 | 6,148 | 206
Provision & Transfers | (3,240) | (1,634) | (5,176) | 12
Ending Allowance | 6,722 | 5,772 | 6,722 | 5,772
Land - consumer lot loans |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 2,466 | 3,035 | 2,946 | 3,077
Charge-offs | (26) | (276) | (701) | (363)
Recoveries | 5 | 187 | 5 | 221
Provision & Transfers | 59 | 53 | 254 | 64
Ending Allowance | 2,504 | 2,999 | 2,504 | 2,999
Multi-family |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 6,784 | 4,673 | 5,304 | 4,248
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 220
Provision & Transfers | 137 | 362 | 1,617 | 567
Ending Allowance | 6,921 | 5,035 | 6,921 | 5,035
Commercial real estate |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 7,783 | 6,734 | 8,960 | 7,548
Charge-offs | 0 | (1,592) | (32) | (1,619)
Recoveries | 454 | 230 | 1,569 | 711
Provision & Transfers | (94) | 1,896 | (2,354) | 628
Ending Allowance | 8,143 | 7,268 | 8,143 | 7,268
Commercial & industrial |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 23,824 | 21,146 | 24,980 | 16,527
Charge-offs | (150) | (2,106) | (729) | (2,461)
Recoveries | 6 | 896 | 597 | 948
Provision & Transfers | 716 | 1,726 | (452) | 6,648
Ending Allowance | 24,396 | 21,662 | 24,396 | 21,662
HELOC |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 828 | 850 | 902 | 928
Charge-offs | (27) | (26) | (54) | (26)
Recoveries | 0 | 1 | 21 | 1
Provision & Transfers | 55 | 39 | (13) | (39)
Ending Allowance | 856 | 864 | 856 | 864
Consumer |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance | 2,406 | 3,305 | 2,939 | 3,227
Charge-offs | (307) | (853) | (827) | (1,981)
Recoveries | 437 | 1,045 | 1,226 | 2,394
Provision & Transfers | (433) | (408) | (1,235) | (551)
Ending Allowance | $ 2,103 | 3,089 | $ 2,103 | 3,089
Covered loans |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning Allowance |  |  |  | 2,244
Provision & Transfers |  |  |  | (2,244)
Ending Allowance |  | $ 0 |  | $ 0

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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