v3.25.2
Cover
 3 Months Ended
Mar. 31, 2025
Entity Addresses [Line Items]  
Document Type S-1
Amendment Flag false
Entity Registrant Name OSPREY BITCOIN TRUST
Entity Central Index Key 0001767057
Entity Tax Identification Number 83-2424407
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 777 Brickell Avenue
Entity Address, Address Line Two Suite 500
Entity Address, City or Town Miami
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33131
City Area Code (914)
Local Phone Number 214-4697
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 777 Brickell Avenue
Entity Address, Address Line Two Suite 500
Entity Address, City or Town Miami
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33131
City Area Code (914)
Local Phone Number 214-4697
Contact Personnel Name Gregory D. King