v3.26.1
Document and Entity Information
Aug. 10, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 10, 2026
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 1 14755 Preston Road
Entity Address Address Line 2 Suite 810
Entity Address City Or Town Dallas
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
Entity Central Index Key 0001043000
Current Fiscal Year End Date --12-31
Amendment Flag false