Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Parenthetical) (Details)

v3.20.4
Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Parenthetical) (Details)
12 Months Ended
Dec. 31, 2020
Minimum  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Short term investments maturity term 4 months
Maximum  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Short term investments maturity term 12 months