XML 57 R37.htm IDEA: XBRL DOCUMENT v3.10.0.1

Stock Award Plans (Tables)

12 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of option activity

A summary of stock option activity and changes during the year are as follows.

Options	Shares		Weighted Average Exercise Price			Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value (In thousands)
Outstanding at September 30, 2017	122,530		$	18.64		2	$1,839
Exercised	(63,455	)	21.07
Forfeited	(8,015	)	21.02
Outstanding at September 30, 2018	51,060		$	15.25		2	$	855
Exercisable at at September 30, 2018	51,060		$	15.25		2	$	855

Schedule of miscellaneous information related to stock options

The table below presents other information regarding stock options.

Year ended September 30,	2018			2017			2016
	(In thousands, except fair value of options granted)
Compensation cost for stock options	$	—		$	—		$	89
Weighted average grant date fair value per stock option	3.15			3.06			2.73
Total intrinsic value of options exercised	908			2,605			1,651
Grant date fair value of options exercised	285			1,328			1,422
Cash received from option exercises	1,338			7,238			9,283

Summary of nonvested activity

The following is a summary of activity related to unvested stock options.

Year ended September 30,	2018						2017						2016
Non-vested Stock Options	Options Outstanding		Weighted Average Grant Date Fair Value				Options Outstanding		Weighted Average Grant Date Fair Value				Options Outstanding		Weighted Average Grant Date Fair Value
Outstanding at beginning of period	—		$	—			—		$	—			69,287		$	3.85
Vested	—		—				—		—				(62,227	)	3.91
Forfeited	—		—				—		—				(7,060	)	3.89
Outstanding at end of period	—		$	—			—		$	—			—		$	—

The following table summarizes information about unvested restricted stock activity.

Year ended September 30,	2018						2017						2016
Non-vested Restricted Stock	Outstanding		Weighted Average Fair Value				Outstanding		Weighted Average Fair Value				Outstanding		Weighted Average Fair Value
Outstanding at beginning of period	466,681		$	18.56			490,363		$	16.00			521,302		$	15.03
Granted	205,100		26.11				238,450		$	18.89			229,450		17.20
Vested	(198,620	)	16.65				(116,878	)	20.95				(165,965	)	15.96
Forfeited	(12,162	)	27.00				(145,254	)	8.56				(94,424	)	13.64
Outstanding at end of period	460,999		$	22.52			466,681		$	18.56			490,363		$	16.00

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Schedule of Other Information Related to Stock Option Activity [Table Text Block]

+ References

No definition available.

+ Details

Name:	wfsl_ScheduleOfOtherInformationRelatedToStockOptionActivityTableTextBlock
Namespace Prefix:	wfsl_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration