Capital Stock (Tables)
12 Months Ended
Dec. 31, 2021
Stockholders' Equity Note [Abstract]  
Summary of Convertible preferred stock
Prior to the Business Combination, Old Talkspace’s convertible preferred stock consisted of the following:
 
    
December 31, 2020
 
(in thousands except share and per share data)
  
Issue
Price
    
Shares
Authorized 
(1)
    
Shares
Issued and
Outstanding
(1)
    
Net
Carrying
Value
    
Aggregate
Liquidation
Preference
 
Seed
   $ 0.3275        3,895,772        3,895,771      $ 1,112      $ 1,125  
Seed-1
     0.3036        8,860,187        8,860,185        2,340        2,372  
Seed-2
     0.3624        3,755,433        3,755,433        1,150        1,200  
Series A
     0.5842        18,163,165        18,163,165        9,316        9,356  
Series B
     1.0413        16,718,570        16,337,364        14,934        15,000  
Series C
     1.5839        22,412,141        22,412,141        31,226        31,300  
Series D
     2.7515        21,903,878        21,158,491        51,204        51,332  
             
 
 
    
 
 
    
 
 
    
 
 
 
Total
              95,709,146        94,582,550      $ 111,282      $ 111,685  
             
 
 
    
 
 
    
 
 
    
 
 
 
 
(1)
Shares authorized and shares issued and outstanding have been adjusted to reflect the exchange of Old Talkspace’s common stock for Talkspace’s common stock at an exchange ratio of approximately 1.134140 in June 2021 as a result of the Business Combination. See Note 3, “Business Combination” in the notes to the consolidated financial statements for further details.