v3.25.2
Cover - shares
 6 Months Ended
Jun. 30, 2025
Aug. 04, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-39139  
Entity Registrant Name CURIOSITYSTREAM INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-1797523  
Entity Address, Address Line One 8484 Georgia Ave  
Entity Address, Address Line Two Suite 700  
Entity Address, City or Town Silver Spring  
Entity Address, State or Province MD  
Entity Address, Postal Zip Code 20910  
City Area Code 301  
Local Phone Number 755-2050  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   57,929,733
Entity Central Index Key 0001776909  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.0001  
Trading Symbol CURI  
Security Exchange Name NASDAQ  
Warrants    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each exercisable for one share of Common Stock at an exercise price of $11.50 per share  
Trading Symbol CURIW  
Security Exchange Name NASDAQ