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Fair Value Measurements - Summary of financial Asset measured at fair value on recurring basis (Parenthetical) (Detail) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash $ 229,410 $ 0
U.S. Treasury Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash $ 969