Business Acquisitions - Summary of Consideration Paid and Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended		12 Months Ended
	Jul. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Consideration Paid
Cash paid, net of cash acquired of $567	$ 72,850
Contingent consideration	1,056			$ 1,056
Purchase price	73,906	$ 0	$ 73,588
Fair Values
Current assets	6,221
Property, plant and equipment	2,567
Other assets	29
Goodwill	34,999	$ 106,056		$ 106,056
Intangible assets	32,800
Fair value of assets acquired	76,616
Less fair value of liabilities acquired	(2,710)
Purchase price	$ 73,906