v3.26.1
FAIR VALUE MEASUREMENTS - Company`s Cash, Cash Equivalents and Marketable Securities by Significant Investment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis $ 91,092 $ 92,529    
Unrealized Gains 1 59    
Unrealized Losses (95) (2)    
Fair Value 90,998 92,586    
Cash and cash equivalents [1] 39,159 37,352    
Cash, Cash Equivalents and Restricted Cash 39,159 37,352 $ 54,342 $ 76,692
Marketable securities 51,839 55,234    
Fair Value, Inputs, Level 1        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 41,325 37,279    
Unrealized Gains 0 0    
Unrealized Losses (6) 0    
Fair Value 41,319 37,279    
Cash, Cash Equivalents and Restricted Cash 37,627 36,293    
Marketable securities 3,692 986    
Fair Value, Inputs, Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 48,235 54,191    
Unrealized Gains 1 59    
Unrealized Losses (89) (2)    
Fair Value 48,147 54,248    
Cash, Cash Equivalents and Restricted Cash 0 0    
Marketable securities 48,147 54,248    
Fair Value, Inputs, Level 2 | Certificates of deposit        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 2,052 1,201    
Unrealized Gains 0 1    
Unrealized Losses (3) 0    
Fair Value 2,049 1,202    
Cash, Cash Equivalents and Restricted Cash 0 0    
Marketable securities 2,049 1,202    
Cash        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 1,532 1,059    
Unrealized Gains 0 0    
Unrealized Losses 0 0    
Fair Value 1,532 1,059    
Cash, Cash Equivalents and Restricted Cash 1,532 1,059    
Marketable securities 0 0    
Money Market Funds | Fair Value, Inputs, Level 1        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 37,627 36,293    
Unrealized Gains 0 0    
Unrealized Losses 0 0    
Fair Value 37,627 36,293    
Cash, Cash Equivalents and Restricted Cash 37,627 36,293    
Marketable securities 0 0    
Commercial Paper | Fair Value, Inputs, Level 1        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 3,698 986    
Unrealized Gains 0 0    
Unrealized Losses (6) 0    
Fair Value 3,692 986    
Cash, Cash Equivalents and Restricted Cash 0 0    
Marketable securities 3,692 986    
US Treasury Securities | Fair Value, Inputs, Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 5,807 3,783    
Unrealized Gains 0 2    
Unrealized Losses (10) 0    
Fair Value 5,797 3,785    
Cash, Cash Equivalents and Restricted Cash 0 0    
Marketable securities 5,797 3,785    
Government Agencies Debt Securities | Fair Value, Inputs, Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 10,106 14,988    
Unrealized Gains 1 28    
Unrealized Losses (23) 0    
Fair Value 10,084 15,016    
Cash, Cash Equivalents and Restricted Cash 0 0    
Marketable securities 10,084 15,016    
Corporate Debt Securities | Fair Value, Inputs, Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Adjusted Cost Basis 30,270 34,219    
Unrealized Gains 0 28    
Unrealized Losses (53) (2)    
Fair Value 30,217 34,245    
Cash, Cash Equivalents and Restricted Cash 0 0    
Marketable securities $ 30,217 $ 34,245    
[1] Talkspace, Inc's condensed consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors may have recourse to Talkspace, Inc. or its affiliates. At June 30, 2026 (unaudited) and December 31, 2025, assets of these consolidated VIEs totaled $13,443 and $13,562, respectively. At June 30, 2026 (unaudited) and December 31, 2025, liabilities of these consolidated VIEs totaled $4,835 and $3,755, respectively. See Note 11, “Variable Interest Entities,” in the notes to the condensed consolidated financial statements for further details.