Acquisitions - Schedule of Acquisitions (Details) - USD ($) $ in Thousands	Feb. 26, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	[1]	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Intangible assets acquired:
Goodwill		$ 541,850	$ 541,850	$ 541,480		$ 539,818	$ 539,818	$ 539,818	$ 501,145
cmdReporter
Business Acquisition [Line Items]
Cash consideration	$ 3,041
Contingent consideration	359
Final aggregate purchase price	3,400
Intangible assets acquired:
Developed technology	2,630
IPR&D	400
Goodwill	370
Total purchase consideration	$ 3,400

[1] Certain prior period amounts have been revised to correct immaterial errors. See Note 1 for more information.