Quarterly report pursuant to Section 13 or 15(d)

Condensed Financial Statements - Summary of Components of Interest, Net (Detail)

v3.19.2
Condensed Financial Statements - Summary of Components of Interest, Net (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Condensed Financial Information Of Parent Company Only Disclosure [Abstract]        
Interest expense $ (370) $ (317) $ (740) $ (552)
Interest income 462 245 1,004 412
Interest, net $ 92 $ (72) $ 264 $ (140)