Business Acquisitions - Summary of Consideration Paid and Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 30, 2020	Mar. 31, 2021	Dec. 31, 2020
Fair Values
Goodwill		$ 109,468	$ 109,497
Sensor Scientific, Inc.
Consideration Paid
Cash paid, net of cash acquired of $470	$ 8,309
Contingent consideration	2,000
Purchase price	10,309
Fair Values
Current assets	2,550
Property, plant and equipment	67
Other assets	12
Goodwill	3,412
Intangible assets	5,340
Fair value of assets acquired	11,381
Less fair value of liabilities acquired	(1,072)
Purchase price	$ 10,309