v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Aug. 03, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-39731  
Entity Registrant Name CARTER BANKSHARES, INC.  
Entity Incorporation, State or Country Code VA  
Entity Tax Identification Number 85-3365661  
Entity Address, Address Line One 1300 Kings Mountain Road,  
Entity Address, City or Town Martinsville,  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 24112  
City Area Code 276  
Local Phone Number 656-1776  
Title of 12(b) Security Common Stock, $1 par value  
Trading Symbol CARE  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   22,163,931
Amendment Flag false  
Entity Central Index Key 0001829576  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31