XML 115 R47.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Basis of Presentation and Summary of Significant Accounting Policies - Summary of Activity of Company's Accrued Warranty Liability (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]      
Balance at Beginning of Period $ 12,300 $ 13,026 $ 13,391
Accruals for Warranties 7,540 5,033 8,746
Settlements Made (7,876) (5,759) (9,111)
Balance at End of Period $ 11,964 $ 12,300 $ 13,026