v3.22.4
Document and Entity Information
Jan. 31, 2023
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jan. 31, 2023
Current Fiscal Year End Date --09-30
Entity File Number 0-23333
Entity Registrant Name Timberland Bancorp, Inc.
Entity Central Index Key 0001046050
Entity Incorporation, State or Country Code WA
Entity Tax Identification Number 91-1863696
Entity Address, Address Line One 624 Simpson Avenue
Entity Address, City or Town Hoquiam
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98550
City Area Code 360
Local Phone Number 533-4747
Title of 12(b) Security Common Stock, par value $.01 per share
Trading Symbol TSBK
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false