Current report filing

Cover

v3.20.4
Cover
Mar. 03, 2021
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 03, 2021
Entity File Number 0-21886
Entity Registrant Name BARRETT BUSINESS SERVICES, INC.
Entity Central Index Key 0000902791
Entity Tax Identification Number 52-0812977
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 8100 N.E. Parkway Drive
Entity Address, Address Line Two Suite 200
Entity Address, City or Town Vancouver
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98662
City Area Code 360
Local Phone Number 828-0700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol BBSI
Security Exchange Name NASDAQ
Entity Emerging Growth Company false