v3.26.1
Document Entity Information - shares
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Document Entity Information      
Document Type 20-F    
Document Registration Statement false    
Document Annual Report true    
Document Transition Report false    
Document Shell Company Report false    
Document Period End Date Dec. 31, 2025    
Entity File Number 001-38230    
Entity Registrant Name High Templar Tech Ltd    
Entity Incorporation, State or Country Code E9    
Entity Address, Address Line One No. 101, Meishe Road, Meilin Street    
Entity Address, Address Line Two Tongan District    
Entity Address, City or Town Xiamen    
Entity Address, Country CN    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Document Accounting Standard U.S. GAAP    
Entity Shell Company false    
Entity Central Index Key 0001692705    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Firm ID 5395 5395 1408
Auditor Name Marcum Asia CPAs LLP Marcum Asia CPAs LLP Ernst & Young Hua Ming LLP
Auditor Location New York, New York New York, New York Shanghai, the People’s Republic of China
Business Contact      
Document Entity Information      
Entity Address, Address Line One No. 101, Meishe Road, Meilin Street    
Entity Address, Address Line Two Tongan District,    
Entity Address, City or Town Xiamen    
Entity Address, Country CN    
Contact Personnel Name Min Luo    
Country Region 86    
City Area Code 592    
Local Phone Number 596-8208    
Contact Personnel Email Address ir@hightemplar.com    
Class A ordinary shares      
Document Entity Information      
Title of 12(b) Security Class A Ordinary Shares    
No Trading Symbol Flag true    
Entity Common Stock, Shares Outstanding 93,185,285    
Class B ordinary shares      
Document Entity Information      
Entity Common Stock, Shares Outstanding 63,491,172    
American Depositary Shares      
Document Entity Information      
Title of 12(b) Security American Depositary Shares    
Trading Symbol HTT    
Security Exchange Name NYSE