v3.26.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2026
May 07, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name TALKSPACE, INC.  
Entity Central Index Key 0001803901  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   167,512,566
Entity Shell Company false  
Entity Small Business false  
Entity Emerging Growth Company false  
Securities Act File Number 001-39314  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-4636604  
Entity Address, Address Line One 622 Third Avenue  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10017  
City Area Code 212  
Local Phone Number 284-7206  
Document Quarterly Report true  
Document Transition Report false  
Common stock    
Document Information [Line Items]    
Title of 12(b) Security Common stock, par value $0.0001 per share  
Trading Symbol TALK  
Security Exchange Name NASDAQ  
Warrant    
Document Information [Line Items]    
Title of 12(b) Security Warrants to purchase common stock  
Trading Symbol TALKW  
Security Exchange Name NASDAQ