XML 46 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Loans Receivable (excluding Covered Loans) (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2013 | Sep. 30, 2012 | Mar. 31, 2013 | Sep. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | $ 7,768,417 | $ 7,866,336 |  |
Ratio of type of loan to total loans receivable | 100.00% | 100.00% |  |
Allowance for probable losses | 118,104 | 133,147 | 122,884 | 157,160
Loans in process | 189,677 | 213,286 |  |
Discount on acquired loans | 37,568 | 33,484 |  |
Deferred net origination fees | 32,562 | 34,421 |  |
Charges against loans receivable | 377,911 | 414,338 |  |
Loans receivable, net | 7,390,506 | 7,451,998 |  |
Single-Family Residential [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 5,269,293 | 5,779,264 |  |
Ratio of type of loan to total loans receivable | 67.80% | 73.50% |  |
Allowance for probable losses | 67,386 | 81,815 | 77,422 | 83,307
Construction - Speculative [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 116,363 | 131,526 |  |
Ratio of type of loan to total loans receivable | 1.50% | 1.60% |  |
Allowance for probable losses | 7,733 | 12,060 | 7,757 | 13,828
Construction - Custom [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 237,952 | 211,690 |  |
Ratio of type of loan to total loans receivable | 3.10% | 2.70% |  |
Allowance for probable losses | 279 | 347 | 262 | 623
Land - Acquisition & Development [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 91,452 | 128,379 |  |
Ratio of type of loan to total loans receivable | 1.10% | 1.70% |  |
Allowance for probable losses | 11,384 | 15,598 | 12,221 | 32,719
Land - Consumer Lot Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 132,360 | 141,844 |  |
Ratio of type of loan to total loans receivable | 1.80% | 1.80% |  |
Allowance for probable losses | 3,975 | 4,937 | 3,941 | 5,520
Multi-Family [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 749,253 | 710,741 |  |
Ratio of type of loan to total loans receivable | 9.60% | 9.00% |  |
Allowance for probable losses | 3,358 | 5,280 | 4,272 | 7,623
Commercial Real Estate [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 639,373 | 406,364 |  |
Ratio of type of loan to total loans receivable | 8.30% | 5.20% |  |
Allowance for probable losses | 5,291 | 1,956 | 4,156 | 4,331
Commercial & Industrial [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 336,843 | 166,115 |  |
Ratio of type of loan to total loans receivable | 4.30% | 2.10% |  |
Allowance for probable losses | 13,854 | 7,626 | 8,628 | 5,099
HELOC [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 134,899 | 126,942 |  |
Ratio of type of loan to total loans receivable | 1.70% | 1.60% |  |
Allowance for probable losses | 994 | 965 | 1,031 | 1,139
Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 60,629 | 63,471 |  |
Ratio of type of loan to total loans receivable | 0.80% | 0.80% |  |
Allowance for probable losses | 3,850 | 2,563 | 3,194 | 2,971
Non-Acquired Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 7,364,314 | 7,755,219 |  |
Ratio of type of loan to total loans receivable | 94.80% | 98.60% |  |
Non-Acquired Loans [Member] | Single-Family Residential [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 5,253,604 | 5,778,922 |  |
Ratio of type of loan to total loans receivable | 67.60% | 73.50% |  |
Non-Acquired Loans [Member] | Construction - Speculative [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 116,363 | 129,637 |  |
Ratio of type of loan to total loans receivable | 1.50% | 1.60% |  |
Non-Acquired Loans [Member] | Construction - Custom [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 237,952 | 211,690 |  |
Ratio of type of loan to total loans receivable | 3.10% | 2.70% |  |
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 85,248 | 124,677 |  |
Ratio of type of loan to total loans receivable | 1.10% | 1.60% |  |
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 128,745 | 141,844 |  |
Ratio of type of loan to total loans receivable | 1.70% | 1.80% |  |
Non-Acquired Loans [Member] | Multi-Family [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 741,870 | 710,140 |  |
Ratio of type of loan to total loans receivable | 9.50% | 9.00% |  |
Non-Acquired Loans [Member] | Commercial Real Estate [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 398,130 | 319,210 |  |
Ratio of type of loan to total loans receivable | 5.10% | 4.10% |  |
Non-Acquired Loans [Member] | Commercial & Industrial [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 239,469 | 162,823 |  |
Ratio of type of loan to total loans receivable | 3.10% | 2.10% |  |
Non-Acquired Loans [Member] | HELOC [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 111,418 | 112,902 |  |
Ratio of type of loan to total loans receivable | 1.40% | 1.40% |  |
Non-Acquired Loans [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 51,515 | 63,374 |  |
Ratio of type of loan to total loans receivable | 0.70% | 0.80% |  |
Acquired Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 302,065 | 0 |  |
Ratio of type of loan to total loans receivable | 3.80% | 0.00% |  |
Acquired Loans [Member] | Single-Family Residential [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 15,354 | 0 |  |
Ratio of type of loan to total loans receivable | 0.20% | 0.00% |  |
Acquired Loans [Member] | Construction - Speculative [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 0 | 0 |  |
Ratio of type of loan to total loans receivable | 0.00% | 0.00% |  |
Acquired Loans [Member] | Construction - Custom [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 0 | 0 |  |
Ratio of type of loan to total loans receivable | 0.00% | 0.00% |  |
Acquired Loans [Member] | Land - Acquisition & Development [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 3,720 | 0 |  |
Ratio of type of loan to total loans receivable | 0.00% | 0.00% |  |
Acquired Loans [Member] | Land - Consumer Lot Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 3,615 | 0 |  |
Ratio of type of loan to total loans receivable | 0.10% | 0.00% |  |
Acquired Loans [Member] | Multi-Family [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 7,383 | 0 |  |
Ratio of type of loan to total loans receivable | 0.10% | 0.00% |  |
Acquired Loans [Member] | Commercial Real Estate [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 162,724 | 0 |  |
Ratio of type of loan to total loans receivable | 2.10% | 0.00% |  |
Acquired Loans [Member] | Commercial & Industrial [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 88,768 | 0 |  |
Ratio of type of loan to total loans receivable | 1.10% | 0.00% |  |
Acquired Loans [Member] | HELOC [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 11,466 | 0 |  |
Ratio of type of loan to total loans receivable | 0.10% | 0.00% |  |
Acquired Loans [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 9,035 | 0 |  |
Ratio of type of loan to total loans receivable | 0.10% | 0.00% |  |
Credit Impaired Acquired Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 102,038 | 111,117 |  |
Ratio of type of loan to total loans receivable | 1.40% | 1.40% |  |
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 335 | 342 |  |
Ratio of type of loan to total loans receivable | 0.00% | 0.00% |  |
Credit Impaired Acquired Loans [Member] | Construction - Speculative [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 0 | 1,889 |  |
Ratio of type of loan to total loans receivable | 0.00% | 0.00% |  |
Credit Impaired Acquired Loans [Member] | Land - Acquisition & Development [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 2,484 | 3,702 |  |
Ratio of type of loan to total loans receivable | 0.00% | 0.10% |  |
Credit Impaired Acquired Loans [Member] | Multi-Family [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 0 | 601 |  |
Ratio of type of loan to total loans receivable | 0.00% | 0.00% |  |
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 78,519 | 87,154 |  |
Ratio of type of loan to total loans receivable | 1.10% | 1.10% |  |
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 8,606 | 3,292 |  |
Ratio of type of loan to total loans receivable | 0.10% | 0.00% |  |
Credit Impaired Acquired Loans [Member] | HELOC [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 12,015 | 14,040 |  |
Ratio of type of loan to total loans receivable | 0.20% | 0.20% |  |
Credit Impaired Acquired Loans [Member] | Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | $ 79 | $ 97 |  |
Ratio of type of loan to total loans receivable | 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 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=7512638&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph f -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It 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 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6378556&loc=d3e10152-111534 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=6952072&loc=d3e45377-112738 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 23 -Subparagraph a(i)(d) -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph a(i-v) -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph e -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 9 + Details
Name: | us-gaap_LoansAndLeasesReceivableDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: 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 Reference 2: 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. + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of undisbursed portion of the loan receivable balance (loans in process). Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph g -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_LoansAndLeasesReceivableLoansInProcess
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: 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 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetReportedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Discount on Acquired Loans + References No definition available. + Details
Name: | wfsl_DiscountOnAcquiredLoans
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loans and Leases Receivable, Charges to Allowance, Loans in Process and Deferred Fees + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivableChargesToAllowanceLoansInProcessAndDeferredFees
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loans and Leases Receivable, Ratio of Loan Type to All Loans + References No definition available. + Details
Name: | wfsl_LoansAndLeasesReceivableRatioOfLoanTypeToAllLoans
Namespace Prefix: | wfsl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration