v3.26.1
Principal Accounting Policies - Equity Investments (Details)
12 Months Ended
Dec. 31, 2025
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Fair value practical expedient in ASC Topic 820 true
ASU 2016-1  
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]  
Change in Accounting Principle, Accounting Standards Update, Adoption Date Jan. 01, 2018
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true