Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Liabilities Disclosure [Abstract]
Accrued compensation and benefits	$ 15,359	$ 24,545
Accrued warranty	5,756	4,510	$ 4,835	$ 3,142
Contract liabilities, current portion	3,219	4,165
Deferred purchase price for acquisitions	27,735
Other	18,257	13,075
Total	$ 70,326	$ 46,295