Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Additional Information (Detail)

v3.21.1
Intangible Assets, Net - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Amortization expenses of intangible assets $ 657 $ 703 $ 2,733
Intangible assets wrote off due to disposal     6
Accumulated amortization of intangible assets related to disposal     $ 6
Non-compete Agreement [Member]      
Intangible assets wrote off due to disposal   6  
Accumulated amortization of intangible assets related to disposal   $ 5