XML 12 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Allowance for Losses on Loans (Internally Assigned Grade) (Details) (USD $) | Dec. 31, 2011 | Sep. 30, 2011 | Dec. 31, 2011 Pass [Member] | Sep. 30, 2011 Pass [Member] | Dec. 31, 2011 Special Mention [Member] | Sep. 30, 2011 Special Mention [Member] | Dec. 31, 2011 Substandard [Member] | Sep. 30, 2011 Substandard [Member] | Dec. 31, 2011 Doubtful [Member] | Sep. 30, 2011 Doubtful [Member] | Dec. 31, 2011 Loss [Member] | Sep. 30, 2011 Loss [Member] | Dec. 31, 2011 Nonperforming Financing Receivable [Member] | Jun. 30, 2010 Nonperforming Financing Receivable [Member] | Dec. 31, 2011 Residential Portfolio Segment [Member] | Sep. 30, 2011 Residential Portfolio Segment [Member] | Dec. 31, 2011 Residential Portfolio Segment [Member] Pass [Member] | Sep. 30, 2011 Residential Portfolio Segment [Member] Pass [Member] | Dec. 31, 2011 Residential Portfolio Segment [Member] Special Mention [Member] | Sep. 30, 2011 Residential Portfolio Segment [Member] Special Mention [Member] | Dec. 31, 2011 Residential Portfolio Segment [Member] Substandard [Member] | Sep. 30, 2011 Residential Portfolio Segment [Member] Substandard [Member] | Dec. 31, 2011 Residential Portfolio Segment [Member] Doubtful [Member] | Sep. 30, 2011 Residential Portfolio Segment [Member] Doubtful [Member] | Dec. 31, 2011 Residential Portfolio Segment [Member] Loss [Member] | Sep. 30, 2011 Residential Portfolio Segment [Member] Loss [Member] | Dec. 31, 2011 Construction, Speculative [Member] | Sep. 30, 2011 Construction, Speculative [Member] | Dec. 31, 2011 Construction, Speculative [Member] Pass [Member] | Sep. 30, 2011 Construction, Speculative [Member] Pass [Member] | Dec. 31, 2011 Construction, Speculative [Member] Special Mention [Member] | Sep. 30, 2011 Construction, Speculative [Member] Special Mention [Member] | Dec. 31, 2011 Construction, Speculative [Member] Substandard [Member] | Sep. 30, 2011 Construction, Speculative [Member] Substandard [Member] | Dec. 31, 2011 Construction, Speculative [Member] Doubtful [Member] | Sep. 30, 2011 Construction, Speculative [Member] Doubtful [Member] | Dec. 31, 2011 Construction, Speculative [Member] Loss [Member] | Sep. 30, 2011 Construction, Speculative [Member] Loss [Member] | Dec. 31, 2011 Construction, Custom [Member] | Sep. 30, 2011 Construction, Custom [Member] | Dec. 31, 2011 Construction, Custom [Member] Pass [Member] | Sep. 30, 2011 Construction, Custom [Member] Pass [Member] | Dec. 31, 2011 Construction, Custom [Member] Special Mention [Member] | Sep. 30, 2011 Construction, Custom [Member] Special Mention [Member] | Dec. 31, 2011 Construction, Custom [Member] Substandard [Member] | Sep. 30, 2011 Construction, Custom [Member] Substandard [Member] | Dec. 31, 2011 Construction, Custom [Member] Doubtful [Member] | Sep. 30, 2011 Construction, Custom [Member] Doubtful [Member] | Dec. 31, 2011 Construction, Custom [Member] Loss [Member] | Sep. 30, 2011 Construction, Custom [Member] Loss [Member] | Dec. 31, 2011 Land, Acquisition and Development [Member] | Sep. 30, 2011 Land, Acquisition and Development [Member] | Dec. 31, 2011 Land, Acquisition and Development [Member] Pass [Member] | Sep. 30, 2011 Land, Acquisition and Development [Member] Pass [Member] | Dec. 31, 2011 Land, Acquisition and Development [Member] Special Mention [Member] | Sep. 30, 2011 Land, Acquisition and Development [Member] Special Mention [Member] | Dec. 31, 2011 Land, Acquisition and Development [Member] Substandard [Member] | Sep. 30, 2011 Land, Acquisition and Development [Member] Substandard [Member] | Dec. 31, 2011 Land, Acquisition and Development [Member] Doubtful [Member] | Sep. 30, 2011 Land, Acquisition and Development [Member] Doubtful [Member] | Dec. 31, 2011 Land, Acquisition and Development [Member] Loss [Member] | Sep. 30, 2011 Land, Acquisition and Development [Member] Loss [Member] | Dec. 31, 2011 Land, Consumer Lot Loans [Member] | Sep. 30, 2011 Land, Consumer Lot Loans [Member] | Dec. 31, 2011 Land, Consumer Lot Loans [Member] Pass [Member] | Sep. 30, 2011 Land, Consumer Lot Loans [Member] Pass [Member] | Dec. 31, 2011 Land, Consumer Lot Loans [Member] Special Mention [Member] | Sep. 30, 2011 Land, Consumer Lot Loans [Member] Special Mention [Member] | Dec. 31, 2011 Land, Consumer Lot Loans [Member] Substandard [Member] | Sep. 30, 2011 Land, Consumer Lot Loans [Member] Substandard [Member] | Dec. 31, 2011 Land, Consumer Lot Loans [Member] Doubtful [Member] | Sep. 30, 2011 Land, Consumer Lot Loans [Member] Doubtful [Member] | Dec. 31, 2011 Land, Consumer Lot Loans [Member] Loss [Member] | Sep. 30, 2011 Land, Consumer Lot Loans [Member] Loss [Member] | Dec. 31, 2011 Multi Family Housing [Member] | Sep. 30, 2011 Multi Family Housing [Member] | Dec. 31, 2011 Multi Family Housing [Member] Pass [Member] | Sep. 30, 2011 Multi Family Housing [Member] Pass [Member] | Dec. 31, 2011 Multi Family Housing [Member] Special Mention [Member] | Sep. 30, 2011 Multi Family Housing [Member] Special Mention [Member] | Dec. 31, 2011 Multi Family Housing [Member] Substandard [Member] | Sep. 30, 2011 Multi Family Housing [Member] Substandard [Member] | Dec. 31, 2011 Multi Family Housing [Member] Doubtful [Member] | Sep. 30, 2011 Multi Family Housing [Member] Doubtful [Member] | Dec. 31, 2011 Multi Family Housing [Member] Loss [Member] | Sep. 30, 2011 Multi Family Housing [Member] Loss [Member] | Dec. 31, 2011 Commercial Real Estate Portfolio Segment [Member] | Sep. 30, 2011 Commercial Real Estate Portfolio Segment [Member] | Dec. 31, 2011 Commercial Real Estate Portfolio Segment [Member] Pass [Member] | Sep. 30, 2011 Commercial Real Estate Portfolio Segment [Member] Pass [Member] | Dec. 31, 2011 Commercial Real Estate Portfolio Segment [Member] Special Mention [Member] | Sep. 30, 2011 Commercial Real Estate Portfolio Segment [Member] Special Mention [Member] | Dec. 31, 2011 Commercial Real Estate Portfolio Segment [Member] Substandard [Member] | Sep. 30, 2011 Commercial Real Estate Portfolio Segment [Member] Substandard [Member] | Dec. 31, 2011 Commercial Real Estate Portfolio Segment [Member] Doubtful [Member] | Sep. 30, 2011 Commercial Real Estate Portfolio Segment [Member] Doubtful [Member] | Dec. 31, 2011 Commercial Real Estate Portfolio Segment [Member] Loss [Member] | Sep. 30, 2011 Commercial Real Estate Portfolio Segment [Member] Loss [Member] | Dec. 31, 2011 Commercial and Industrial Loans [Member] | Sep. 30, 2011 Commercial and Industrial Loans [Member] | Dec. 31, 2011 Commercial and Industrial Loans [Member] Pass [Member] | Sep. 30, 2011 Commercial and Industrial Loans [Member] Pass [Member] | Dec. 31, 2011 Commercial and Industrial Loans [Member] Special Mention [Member] | Sep. 30, 2011 Commercial and Industrial Loans [Member] Special Mention [Member] | Dec. 31, 2011 Commercial and Industrial Loans [Member] Substandard [Member] | Sep. 30, 2011 Commercial and Industrial Loans [Member] Substandard [Member] | Dec. 31, 2011 Commercial and Industrial Loans [Member] Doubtful [Member] | Sep. 30, 2011 Commercial and Industrial Loans [Member] Doubtful [Member] | Dec. 31, 2011 Commercial and Industrial Loans [Member] Loss [Member] | Sep. 30, 2011 Commercial and Industrial Loans [Member] Loss [Member] | Dec. 31, 2011 Home Equity Line of Credit [Member] | Sep. 30, 2011 Home Equity Line of Credit [Member] | Dec. 31, 2011 Home Equity Line of Credit [Member] Pass [Member] | Sep. 30, 2011 Home Equity Line of Credit [Member] Pass [Member] | Dec. 31, 2011 Home Equity Line of Credit [Member] Special Mention [Member] | Sep. 30, 2011 Home Equity Line of Credit [Member] Special Mention [Member] | Dec. 31, 2011 Home Equity Line of Credit [Member] Substandard [Member] | Sep. 30, 2011 Home Equity Line of Credit [Member] Substandard [Member] | Dec. 31, 2011 Home Equity Line of Credit [Member] Doubtful [Member] | Sep. 30, 2011 Home Equity Line of Credit [Member] Doubtful [Member] | Dec. 31, 2011 Home Equity Line of Credit [Member] Loss [Member] | Sep. 30, 2011 Home Equity Line of Credit [Member] Loss [Member] | Dec. 31, 2011 Consumer Portfolio Segment [Member] | Sep. 30, 2011 Consumer Portfolio Segment [Member] | Dec. 31, 2011 Consumer Portfolio Segment [Member] Pass [Member] | Sep. 30, 2011 Consumer Portfolio Segment [Member] Pass [Member] | Dec. 31, 2011 Consumer Portfolio Segment [Member] Special Mention [Member] | Sep. 30, 2011 Consumer Portfolio Segment [Member] Special Mention [Member] | Dec. 31, 2011 Consumer Portfolio Segment [Member] Substandard [Member] | Sep. 30, 2011 Consumer Portfolio Segment [Member] Substandard [Member] | Dec. 31, 2011 Consumer Portfolio Segment [Member] Doubtful [Member] | Sep. 30, 2011 Consumer Portfolio Segment [Member] Doubtful [Member] | Dec. 31, 2011 Consumer Portfolio Segment [Member] Loss [Member] | Sep. 30, 2011 Consumer Portfolio Segment [Member] Loss [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable, gross | $ 8,208,343,000 | $ 8,299,074,000 | $ 7,753,948,000 | $ 7,804,613,000 | $ 47,293,000 | $ 76,285,000 | $ 406,721,000 | $ 415,550,000 | $ 0 | $ 2,245,000 | $ 381,000 | $ 381,000 | $ 343,665,000 | $ 442,699,000 | $ 6,082,490,000 | $ 6,218,878,000 | $ 5,906,370,000 | $ 6,047,279,000 | $ 0 | $ 0 | $ 176,120,000 | $ 171,599,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 130,120,000 | $ 140,459,000 | $ 65,880,000 | $ 56,485,000 | $ 7,663,000 | $ 21,035,000 | $ 56,577,000 | $ 62,939,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 271,227,000 | $ 279,851,000 | $ 271,227,000 | $ 279,851,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 175,965,000 | $ 200,692,000 | $ 41,528,000 | $ 44,888,000 | $ 24,028,000 | $ 44,840,000 | $ 110,409,000 | $ 110,964,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 154,874,000 | $ 163,146,000 | $ 154,228,000 | $ 162,670,000 | $ 261,000 | $ 0 | $ 385,000 | $ 476,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 689,149,000 | $ 700,673,000 | $ 653,006,000 | $ 663,582,000 | $ 6,193,000 | $ 4,629,000 | $ 29,950,000 | $ 32,462,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 415,394,000 | $ 303,442,000 | $ 377,668,000 | $ 264,083,000 | $ 7,276,000 | $ 4,125,000 | $ 30,450,000 | $ 35,234,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 93,792,000 | $ 109,332,000 | $ 89,705,000 | $ 104,171,000 | $ 1,344,000 | $ 1,128,000 | $ 2,362,000 | $ 1,407,000 | $ 0 | $ 2,245,000 | $ 381,000 | $ 381,000 | $ 132,089,000 | $ 115,092,000 | $ 132,089,000 | $ 115,092,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 63,243,000 | $ 67,509,000 | $ 62,247,000 | $ 66,512,000 | $ 528,000 | $ 528,000 | $ 468,000 | $ 469,000 | $ 0 | $ 0 | $ 0 | $ 0
Grade as percentage of total gross loans |  |  | 94.50% | 94.10% | 0.60% | 0.90% | 4.90% | 5.00% | 0.00% | 0.00% | 0.00% | 0.00% | 2.52% | 3.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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

X
- Definition Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on loans and leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Grade as Percentage of Total Gross Loans + References No definition available. + Details
Name: | wfsl_GradeAsPercentageOfTotalGrossLoans
Namespace Prefix: | wfsl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant