Business Combination - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jul. 01, 2021
USD ($)
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Schedule of Reverse Recapitalization [Line Items]        
Exchange ratio 71.26      
Redemption of FCAC shares (in shares) 19,864,030 6,002,255 19,864,030  
Cash price for redeemed shares (in USD per share) | $ / shares $ 10.00      
Aggregate amount for redemption of FCAC shares | $ [1]     $ 29,772  
Common stock issued, excluding earnout shares (in shares) 333,875,179      
Shares issued     42,560,000  
Cash received from FCAC trust and cash on hand, net of redemptions | $ $ 146,400   $ 146,363  
Cash paid for issuance costs and advisory fees | $ 54,000   $ 54,025  
One-time bonus payments | $ $ 11,600      
Capital stock authorized (in shares) 615,000,000      
Common stock authorized (in shares) 600,000,000 600,000,000 600,000,000 424,353,300
Common stock, par value (in dollars per share) | $ / shares $ 0.0001 $ 0.0001 $ 0.0001 $ 0.0001
Preferred stock authorized (in shares) 15,000,000      
Preferred stock, par value (in USD per share) | $ / shares $ 0.0001      
Sponsor members        
Schedule of Reverse Recapitalization [Line Items]        
Earnout shares held in escrow 1,713,000      
Legacy Sharecare stockholders        
Schedule of Reverse Recapitalization [Line Items]        
Earnout shares held in escrow 1,500,000      
Series A Preferred Stock        
Schedule of Reverse Recapitalization [Line Items]        
Shares issued 5,000,000      
Preferred stock authorized (in shares) 5,000,000      
Common Class A        
Schedule of Reverse Recapitalization [Line Items]        
Aggregate amount for redemption of FCAC shares | $ $ 198,600      
[1] Retroactively restated for the Reverse Recapitalization as a result of the Business Combination as described in Notes 1 and 2.