XML 31 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.8

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, 2014 | Sep. 30, 2013
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | $ 7,916,228 | $ 7,714,968
Current | 7,791,961 | 7,563,335
30 Days | 33,840 | 35,179
60 Days | 12,925 | 14,933
90 Days | 77,502 | 101,521
Total | 124,267 | 151,633
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.57% | 1.97%
Non-Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 7,612,058 | 7,365,734
Current | 7,494,058 | 7,224,617
30 Days | 32,973 | 32,437
60 Days | 12,445 | 13,575
90 Days | 72,582 | 95,105
Total | 118,000 | 141,117
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.55% | 1.92%
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 | 5,445,950 | 5,356,200
Current | 5,343,076 | 5,237,413
30 Days | 27,559 | 26,888
60 Days | 11,275 | 12,373
90 Days | 64,040 | 79,526
Total | 102,874 | 118,787
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.89% | 2.22%
Non-Acquired Loans [Member] | Construction - Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 88,954 | 82,422
Current | 88,124 | 80,047
30 Days | 196 | 0
60 Days | 0 | 0
90 Days | 634 | 2,375
Total | 830 | 2,375
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.93% | 2.88%
Non-Acquired Loans [Member] | Construction - Custom [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 178,099 | 130,095
Current | 176,624 | 129,678
30 Days | 1,210 | 417
60 Days | 0 | 0
90 Days | 265 | 0
Total | 1,475 | 417
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.83% | 0.32%
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 | 67,314 | 71,567
Current | 65,259 | 70,106
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 2,055 | 1,461
Total | 2,055 | 1,461
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.05% | 2.04%
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 | 113,567 | 121,473
Current | 110,021 | 117,076
30 Days | 391 | 806
60 Days | 273 | 355
90 Days | 2,882 | 3,236
Total | 3,546 | 4,397
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.12% | 3.62%
Non-Acquired Loans [Member] | Multi-Family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 848,708 | 790,564
Current | 847,562 | 785,793
30 Days | 20 | 0
60 Days | 0 | 0
90 Days | 1,126 | 4,771
Total | 1,146 | 4,771
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.14% | 0.60%
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 | 438,382 | 404,680
Current | 435,766 | 398,114
30 Days | 967 | 2,942
60 Days | 387 | 351
90 Days | 1,262 | 3,273
Total | 2,616 | 6,566
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.60% | 1.62%
Non-Acquired Loans [Member] | Commercial & Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 277,100 | 249,405
Current | 275,817 | 249,363
30 Days | 1,246 | 42
60 Days | 1 | 0
90 Days | 36 | 0
Total | 1,283 | 42
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.46% | 0.02%
Non-Acquired Loans [Member] | HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 112,550 | 112,186
Current | 111,625 | 111,407
30 Days | 603 | 493
60 Days | 284 | 213
90 Days | 38 | 73
Total | 925 | 779
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.82% | 0.69%
Non-Acquired Loans [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 41,434 | 47,142
Current | 40,184 | 45,620
30 Days | 781 | 849
60 Days | 225 | 283
90 Days | 244 | 390
Total | 1,250 | 1,522
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.02% | 3.23%
Acquired Non-Impaired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 218,507 | 250,350
Current | 213,397 | 243,718
30 Days | 519 | 441
60 Days | 480 | 894
90 Days | 4,111 | 5,297
Total | 5,110 | 6,632
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.34% | 2.65%
Acquired Non-Impaired Loans [Member] | Single-Family Residential [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 13,177 | 14,468
Current | 13,104 | 14,343
30 Days | 73 | 82
60 Days | 0 | 0
90 Days | 0 | 43
Total | 73 | 125
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.55% | 0.86%
Acquired Non-Impaired Loans [Member] | Construction - Speculative [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% |
Acquired Non-Impaired 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% |
Acquired Non-Impaired Loans [Member] | Land - Acquisition & Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 1,135 | 1,489
Current | 726 | 1,241
30 Days | 0 | 0
60 Days | 409 | 0
90 Days | 0 | 248
Total | 409 | 248
Ratio of past due loans to total loans, net of charge-offs and LIPs | 36.04% | 16.66%
Acquired Non-Impaired Loans [Member] | Land - Consumer Lot Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 3,240 | 3,313
Current | 3,115 | 2,987
30 Days | 0 | 125
60 Days | 0 | 100
90 Days | 125 | 101
Total | 125 | 326
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.86% | 9.84%
Acquired Non-Impaired Loans [Member] | Multi-Family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 3,538 | 3,914
Current | 3,402 | 3,914
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 136 | 0
Total | 136 | 0
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.84% | 0.00%
Acquired Non-Impaired Loans [Member] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 112,083 | 133,398
Current | 108,651 | 128,610
30 Days | 96 | 134
60 Days | 0 | 617
90 Days | 3,336 | 4,037
Total | 3,432 | 4,788
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.06% | 3.59%
Acquired Non-Impaired Loans [Member] | Commercial & Industrial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 69,868 | 75,323
Current | 69,542 | 74,992
30 Days | 120 | 10
60 Days | 69 | 153
90 Days | 137 | 168
Total | 326 | 331
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.47% | 0.44%
Acquired Non-Impaired Loans [Member] | HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 8,624 | 10,179
Current | 8,440 | 10,063
30 Days | 184 | 0
60 Days | 0 | 16
90 Days | 0 | 100
Total | 184 | 116
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.13% | 1.14%
Acquired Non-Impaired Loans [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 6,842 | 8,266
Current | 6,417 | 7,568
30 Days | 46 | 90
60 Days | 2 | 8
90 Days | 377 | 600
Total | 425 | 698
Ratio of past due loans to total loans, net of charge-offs and LIPs | 6.21% | 8.44%
Credit Impaired Acquired Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 85,663 | 98,884
Current | 84,506 | 95,000
30 Days | 348 | 2,301
60 Days | 0 | 464
90 Days | 809 | 1,119
Total | 1,157 | 3,884
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.35% | 3.93%
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 | 329 | 333
Current | 329 | 333
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 | 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% |
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 | 1,758 | 2,393
Current | 1,758 | 1,929
30 Days | 0 | 0
60 Days | 0 | 464
90 Days | 0 | 0
Total | 0 | 464
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.00% | 19.39%
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 | 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] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 68,115 | 83,116
Current | 67,767 | 80,095
30 Days | 348 | 2,301
60 Days | 0 | 0
90 Days | 0 | 720
Total | 348 | 3,021
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.51% | 3.63%
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 | 4,724 | 1,705
Current | 4,318 | 1,396
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 406 | 309
Total | 406 | 309
Ratio of past due loans to total loans, net of charge-offs and LIPs | 8.59% | 18.12%
Credit Impaired Acquired Loans [Member] | HELOC [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 10,679 | 11,266
Current | 10,276 | 11,176
30 Days | 0 | 0
60 Days | 0 | 0
90 Days | 403 | 90
Total | 403 | 90
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.77% | 0.80%
Credit Impaired Acquired Loans [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 58 | 71
Current | 58 | 71
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%

X
- Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans and Leases Receivable, 1 to 30 Days Past Due + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivable1To30DaysPastDue
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans and Leases Receivable, 31 to 60 Days Past Due + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivable31To60DaysPastDue
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans and Leases Receivable, 61 to 90 Days Past Due + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivable61To90DaysPastDue
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans and Leases Receivable, Current Status + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivableCurrentStatus
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans and Leases Receivable, Past Due + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivablePastDue
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans and Leases Receivable, Ratio of Total Past Due Loans to Total Loans Receivable, Net of Charge Offs and Loans in Process + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivableRatioOfTotalPastDueLoansToTotalLoansReceivableNetOfChargeOffsAndLoansInProcess
Namespace Prefix: | wfsl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Loans Receivable, Net of Charge Offs and Loans in Proces + References No definition available. + Details
Name: | wfsl_LoansReceivableNetOfChargeOffsAndLoansInProces
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant