Annual report pursuant to Section 13 and 15(d)

Selected Balance Sheet Data - Summary of Deferred Rent and Other Liabilities (Parenthetical) (Detail)

v3.19.3.a.u2
Selected Balance Sheet Data - Summary of Deferred Rent and Other Liabilities (Parenthetical) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Accounts Payable and Accrued Liabilities [Member]    
Deferred Rent and other liabilities [Line Items]    
Contingent consideration, current $ 1,238 $ 821