Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Schedule of Changes in Aggregate Product Warranty Liabilities (Details)

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Commitments and Contingencies - Schedule of Changes in Aggregate Product Warranty Liabilities (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Commitments And Contingencies Disclosure [Abstract]      
Product warranty liability at beginning of period $ 9,530 $ 6,171 $ 3,480
Accruals for warranties issued 8,131 7,693 5,275
Adjustments related to preexisting warranties (including changes in estimates) 1,433 90 200
Settlements made (in cash or in kind) (6,523) (4,424) (2,784)
Product warranty liability at end of period $ 12,571 $ 9,530 $ 6,171