XML 13 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document and Entity Information - shares
 8 Months Ended
Sep. 30, 2021
Nov. 08, 2021
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Document Transition Report false  
Entity File Number 001-39625  
Entity Registrant Name CIPHER MINING INC.  
Entity Central Index Key 0001819989  
Current Fiscal Year End Date --12-31  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 85-1614529  
Entity Address, Address Line One 222 Purchase Street  
Entity Address, Address Line Two Suite #290  
Entity Address, City or Town Rye  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10580  
City Area Code 914  
Local Phone Number 370-8006  
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol CIFR  
Security Exchange Name NASDAQ  
Entity Current Reporting Status No  
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   246,381,119
Private Placement Warrants    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per whole share  
Trading Symbol CIFRW  
Security Exchange Name NASDAQ