Fair Value Measurements - Summary of Reconciliation of Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning		$ 920	$ 822
Change in fair value of contingent consideration		37	98
Balance at ending	$ 3,052	3,052	$ 920
Change in fair value of Private Warrants	$ 254	(1,715)
Private Warrants [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Increase in warrant liabilities		$ 3,810