Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Liabilities Disclosure [Abstract]
Accrued compensation and benefits	$ 12,510	$ 15,359
Contingent consideration and earn-outs	10,796	3,813
Finance lease obligations	9,720	1,307
Contract liabilities, current portion	6,173	3,219
Accrued warranty	4,919	5,756	$ 4,510	$ 4,835
Deferred purchase price for acquisitions		27,735
Other	9,662	13,137
Total	$ 53,780	$ 70,326