v3.22.2.2
Cover
Nov. 22, 2022
Cover [Abstract]  
Document Type 8-K
Document Period End Date Nov. 22, 2022
Entity Registrant Name HEALTHCARE SERVICES GROUP, INC.
Entity File Number 0-12015
Entity Incorporation, State or Country Code PA
Entity Tax Identification Number 23-2018365
Entity Address, Address Line One 3220 Tillman Drive
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Bensalem
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19020
City Area Code 215
Local Phone Number 639-4274
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000731012
Title of 12(b) Security Common Stock, $.01 par value
Trading Symbol HCSG
Security Exchange Name NASDAQ