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Information about Geographic Areas - Additional Information (Detail) - Foreign Countries [Member] - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net carrying value of long lived assets $ 5,406   $ 4,549
External Customers [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue from external customers $ 11,022 $ 17,057