Accounts Payable and Other Accrued Liabilities - Summary of Accounts Payable and Other Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Payables And Accruals [Abstract]
Accounts payable	$ 15,481	$ 15,034
Accrued expenses	11,469	10,733
Other business acquisitions purchase price obligations	50
Contract liabilities	6,114	3,314
Other current liabilities	1,507	504
Total accounts payable and other accrued liabilities	$ 34,621	$ 29,585