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Amount of intangible assets, including goodwill, acquired at the acquisition date.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions (Details) - USD ($) $ in Thousands	Aug. 01, 2021	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Recognized amounts of identifiable assets acquired and liabilities assumed:
Goodwill		$ 593,947	$ 592,114	$ 464,392
Amteck
Consideration transferred:
Cash paid at closing	$ 107,400
Working capital adjustment	8,400
Notes issued to former owners	10,000
Estimated fair value of contingent earn-out payments	12,900
Identifiable intangible assets	112,800
Total consideration transferred	$ 138,600