v3.22.4
Document and Entity Information Document
Feb. 09, 2023
Cover [Abstract]  
Document Type 8-K
Document Period End Date Feb. 09, 2023
Entity Registrant Name Insperity, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 1-13998
Entity Tax Identification Number 76-0479645
Entity Address, Address Line One 19001 Crescent Springs Drive
Entity Address, City or Town Kingwood
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77339
City Area Code 281
Local Phone Number 358-8986
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001000753
Amendment Flag false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common Stock, $.01 par value per share
Trading Symbol NSP
Security Exchange Name NYSE