Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Summary of Changes to Carrying Amount of Goodwill (Detail)

v3.21.1
Goodwill - Summary of Changes to Carrying Amount of Goodwill (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Goodwill [Abstract]    
Beginning, Gross balance $ 81,090 $ 81,090
Beginning, Accumulated impairment losses (17,415)  
Beginning, Net balance 63,675  
Ending, Gross balance 81,090 81,090
Ending, Accumulated impairment losses (17,415) (17,415)
Ending, Net balance $ 63,675 $ 63,675