Document and Entity Information
Dec. 31, 2021
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001043000
Document Type 8-K
Document Period End Date Dec. 31, 2021
Entity Registrant Name Sonida Senior Living, Inc.
Entity Incorporation State Country Code DE
Entity File Number 1-13445
Entity Tax Identification Number 75-2678809
Entity Address, Address Line One 16301 Quorum Drive
Entity Address, Address Line Two Suite 160A
Entity Address, City or Town Addison
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75254
City Area Code (972)
Local Phone Number 770-5600
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Security 12b Title Common Stock, par value $0.01 per share
Trading Symbol SNDA
Security Exchange Name NYSE