Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Details)

v3.21.2
Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Money Market Funds [Member] | Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value disclosure of cash equivalents $ 9.4 $ 18.4