v3.26.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 11, 2026
Document Information Line Items    
Entity Central Index Key 0001710350  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Transition Report false  
Entity File Number 001-38421  
Entity Registrant Name BIT DIGITAL, INC.  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 98-1606989  
Entity Address, Address Line One 31 Hudson Yards  
Entity Address, Address Line Two Floor 11  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10001  
City Area Code (212)  
Local Phone Number 463-5121  
Title of 12(b) Security Ordinary Shares, $0.01 par value  
Trading Symbol BTBT  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   349,190,420
Amendment Flag false  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31