XML 44 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Customer Accounts (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2013
Banking and Thrift [Abstract] |
Schedule of deposits |
September 30, | 2013 | 2012
| (In thousands)
Checking accounts, .15% and under | $ | 1,247,885 |  | $ | 894,639 |
Passbook and statement accounts, .20% and under | 404,937 |  | 314,634 |
Insured money market accounts, .01% to .30% | 1,888,020 |  | 1,737,180 |
Certificate accounts |  |
Less than 2.00% | 4,716,427 |  | 4,308,341 |
2.00% to 2.99% | 631,256 |  | 841,520 |
3.00% to 3.99% | 175,549 |  | 381,324 |
4.00% to 4.99% | 25,335 |  | 98,119 |
5.00% to 5.99% | 862 |  | 861 |
Total certificates | 5,549,429 |  | 5,630,165 |
| $ | 9,090,271 |  | $ | 8,576,618 |
Certificate maturities are as follows: |  |
September 30, | 2013 | 2012
| (In thousands)
Within 1 year | $ | 3,642,142 |  | $ | 3,556,701 |
1 to 2 years | 789,037 |  | 1,013,450 |
2 to 3 years | 406,960 |  | 425,559 |
Over 3 years | 711,290 |  | 634,455 |
| $ | 5,549,429 |  | $ | 5,630,165 |
Schedule of interest expense on customer deposits | Interest expense on customer accounts consisted of the following:
Year ended September 30, | 2013 | 2012 | 2011
| (in thousands)
Checking accounts | $ | 936 |  | $ | 857 |  | $ | 1,908 |
Passbook and statement accounts | 566 |  | 574 |  | 682 |
Insured money market accounts | 4,280 |  | 4,609 |  | 7,148 |
Certificate accounts | 62,669 |  | 81,506 |  | 106,878 |
| 68,451 |  | 87,546 |  | 116,616 |
Less early withdrawal penalties | (548 | ) | (607 | ) | (781 | )
| $ | 67,903 |  | $ | 86,939 |  | $ | 115,835 |
Weighted average interest rate at end of year | 0.69 | % | 0.90 | % | 1.14 | %
Weighted daily average interest rate during the year | 0.75 | % | 0.99 | % | 1.32 | %

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

X
- Definition Schedule of Deposits [Table Text Block] + References No definition available. + Details
Name: | wfsl_ScheduleOfDepositsTableTextBlock
Namespace Prefix: | wfsl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Interest Expense on Customer Deposits [Table Text Block] + References No definition available. + Details
Name: | wfsl_ScheduleOfInterestExpenseOnCustomerDepositsTableTextBlock
Namespace Prefix: | wfsl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration