XML 72 R53.htm IDEA: XBRL DOCUMENT v3.19.3
Accrued Liabilities - Summary of Accrued Warranty Obligations (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Payables And Accruals [Abstract]    
Beginning balance $ 5,624 $ 4,153
Warranty liabilities assumed from acquisitions   151
Reduction of warranty liabilities assumed in connection with acquisitions (476) (486)
Warranty expense 811 2,970
Warranty charges (37) (604)
Ending balance $ 5,922 $ 6,184