XML 15 R33.htm IDEA: XBRL DOCUMENT v3.2.0.727

Loans Receivable (excluding Covered Loans) - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015 USD ($) contract	Jun. 30, 2014 USD ($) contract	Jun. 30, 2015 USD ($) contract	Jun. 30, 2014 USD ($) contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract	10	58	71	221
Pre-modification outstanding recorded investment	$ 1,814	$ 13,420	$ 19,308	$ 51,500
Post-modification outstanding recorded investment	$ 1,814	$ 13,420	$ 19,308	$ 51,500
Single-Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract	8	48	57	199
Pre-modification outstanding recorded investment	$ 1,611	$ 10,693	$ 13,875	$ 45,132
Post-modification outstanding recorded investment	$ 1,611	$ 10,693	$ 13,875	$ 45,132
Construction - Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract			2	0
Pre-modification outstanding recorded investment			$ 718	$ 0
Post-modification outstanding recorded investment			$ 718	$ 0
Construction - Custom [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract			2	0
Pre-modification outstanding recorded investment			$ 532	$ 0
Post-modification outstanding recorded investment			$ 532	$ 0
Land - Acquisition & Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract	0	3
Pre-modification outstanding recorded investment	$ 0	$ 756
Post-modification outstanding recorded investment	$ 0	$ 756
Land - Consumer Lot Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract	2	5	6	10
Pre-modification outstanding recorded investment	$ 203	$ 573	$ 923	$ 1,746
Post-modification outstanding recorded investment	$ 203	$ 573	$ 923	$ 1,746
Multi-Family Housing Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract			0	2
Pre-modification outstanding recorded investment			$ 0	$ 1,201
Post-modification outstanding recorded investment			$ 0	$ 1,201
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract	0	2	3	3
Pre-modification outstanding recorded investment	$ 0	$ 1,398	$ 3,175	$ 2,197
Post-modification outstanding recorded investment	$ 0	$ 1,398	$ 3,175	$ 2,197
HELOC [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract			0	1
Pre-modification outstanding recorded investment			$ 0	$ 261
Post-modification outstanding recorded investment			$ 0	$ 261
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts (in contracts) | contract			1	3
Pre-modification outstanding recorded investment			$ 85	$ 207
Post-modification outstanding recorded investment			$ 85	$ 207

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Definition

Financing Receivable, Modifications, Number of Contracts During the Period

+ References

No definition available.

+ Details

Name:	wfsl_FinancingReceivableModificationsNumberOfContractsDuringPeriod
Namespace Prefix:	wfsl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Financing Receivable, Modifications, Post-Modification Recorded Investment During the Period

+ References

No definition available.

+ Details

Name:	wfsl_FinancingReceivableModificationsPostModificationRecordedInvestmentDuringPeriod
Namespace Prefix:	wfsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Financing Receivable, Modifications, Pre-Modification Recorded Investment During the Period

+ References

No definition available.

+ Details

Name:	wfsl_FinancingReceivableModificationsPreModificationRecordedInvestmentDuringPeriod
Namespace Prefix:	wfsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wfsl_ConstructionSpeculativeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wfsl_ConstructionCustomMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wfsl_LandAcquisitionAndDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wfsl_LandConsumerLotLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wfsl_MultiFamilyHousingPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wfsl_HomeEquityLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: