XML 134 R91.htm IDEA: XBRL DOCUMENT
v3.24.3

Customer Accounts - Time Deposits (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | ---
Time deposits by rate band are as follows: |  |
Less than 1.00% | $ 82,935 | $ 139,525
1.00% to 1.99% | 2,395 | 64,262
2.00% to 2.99% | 3,340 | 248,973
3.00% to 3.99% | 345,680 | 3,884,337
4.00% to 4.99% | 8,244,791 | 532,153
5.00% and higher | 877,644 | 435,766
Time deposits by maturity band are as follows: |  |
Three months or less | 2,923,299 | 2,383,793
Over 3 through 6 months | 3,140,278 | 1,517,379
Over 6 through 12 months | 2,543,201 | 732,141
Over 12 months | 950,007 | 671,703
Time deposits, total | $ 9,556,785 | $ 5,305,016

X
- Definition Amount of time deposit liabilities, including certificates of deposit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 405 -Topic 942 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478353/942-405-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(12)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_TimeDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_TimeDepositsByMaturityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Certificate Accounts [Abstract] + References No definition available. + Details
Name: | wfsl_CertificateAccountsAbstract
Namespace Prefix: | wfsl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Time Deposit Maturities, After Twelve Months + References No definition available. + Details
Name: | wfsl_TimeDepositMaturitiesAfterTwelveMonths
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposit Maturities, Six Months To Twelve Months + References No definition available. + Details
Name: | wfsl_TimeDepositMaturitiesSixMonthsToTwelveMonths
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposit Maturities, Three Months Or Less + References No definition available. + Details
Name: | wfsl_TimeDepositMaturitiesThreeMonthsOrLess
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposit Maturities, Three Months To Six Months + References No definition available. + Details
Name: | wfsl_TimeDepositMaturitiesThreeMonthsToSixMonths
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposits, Five Percent And Higher + References No definition available. + Details
Name: | wfsl_TimeDepositsFivePercentAndHigher
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposits, From Four Percent to Less than Five Percent + References No definition available. + Details
Name: | wfsl_TimeDepositsFromFourPercentToLessThanFivePercent
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposits, From One Percent To Less than Two Percent + References No definition available. + Details
Name: | wfsl_TimeDepositsFromOnePercentToLessThanTwoPercent
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposits, From Three Percent To Less Than Four Percent + References No definition available. + Details
Name: | wfsl_TimeDepositsFromThreePercentToLessThanFourPercent
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposits, From Two Percent To Less Than Three Percent + References No definition available. + Details
Name: | wfsl_TimeDepositsFromTwoPercentToLessThanThreePercent
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposits, Less Than One Percent + References No definition available. + Details
Name: | wfsl_TimeDepositsLessThanOnePercent
Namespace Prefix: | wfsl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant