Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Additional Information (Detail)

v3.20.1
Intangible Assets, Net - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Amortization expenses of intangible assets $ 703 $ 348 $ 2,107
Intangible assets wrote off due to disposal 6    
Accumulated amortization of intangible assets related to disposal 5    
Non-compete Agreement [Member]      
Intangible assets wrote off due to disposal 6    
Accumulated amortization of intangible assets related to disposal $ 5