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Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Finite-lived Intangible Assets

Intangible assets consisted of the following (in thousands)

		December 31, 2021
	Average Useful Life (Years)	Gross		Accumulated Amortization			Net
Backlog	3	$	4,500	$	(1,816	)	$	2,684
Customer relationships	3 to 10		75,188		(23,795	)		51,393
Developed technology ⁽¹⁾	3 to 8		72,723		(37,333	)		35,390
Noncompetition agreements	3 to 5		6,452		(1,725	)		4,727
Tradename and trademarks	1 to 4		7,267		(4,643	)		2,624
		$	166,130	$	(69,312	)	$	96,818

⁽¹⁾	Developed technology intangible assets include IPR&D of $0.4 million as of December 31, 2021, which is not subject to amortization.

		December 31, 2020
	Average Useful Life (Years)	Gross		Accumulated Amortization			Net
Backlog	3	$	5,800	$	(937	)	$	4,863
Customer relationships	3 to 10		64,302		(14,890	)		49,412
Developed technology ⁽¹⁾	3 to 8		52,144		(27,646	)		24,498
Noncompetition agreements	3 to 5		3,062		(766	)		2,296
Tradename and trademarks	1 to 4		6,679		(1,235	)		5,444
		$	131,987	$	(45,474	)	$	86,513

⁽¹⁾	^{Developed technology intangible assets include IPR&D of $0.6 million as of December 31, 2020, which is not subject to amortization.}

Schedule of Future Amortization Expense Related to Finite-lived Intangible Assets

Future amortization expense as of December 31, 2021, related to these finite-lived intangible assets subject to amortization is expected to be as follows (in thousands):

Years Ending December 31
2022	$	27,230
2023		22,026
2024		17,285
2025		14,319
2026		10,959
Thereafter		4,599
	$	96,418

Schedule of Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill are summarized as follows (in thousands):

Balance—December 31, 2019	$	101,224
Additions - 2020 acquisitions ⁽¹⁾		411,031
Cumulative translation adjustments		979
Balance—December 31, 2020		513,234
Measurement period adjustment - 2020 acquisitions ⁽¹⁾		7,317
Additions - 2021 acquisitions ⁽¹⁾		153,876
Cumulative translation adjustments		(2,046	)
Balance—December 31, 2021	$	672,381

⁽¹⁾	See Note 5 for measurement period adjustment and additions details