Goodwill and other intangible assets

12 Months Ended

Dec. 31, 2024

The change in the carrying amount of goodwill was as follows:


	Years Ended December 31,
	2024		2023		2022
	(in thousands)
Goodwill, beginning of period	$	887,121	$	856,925	$	845,734
Goodwill acquired	—		17,550		38,133
Measurement period adjustments	—		339		—
Foreign currency translation adjustment	(4,528)		12,307		(26,942)
Goodwill, end of period	$	882,593	$	887,121	$	856,925

The gross carrying amount and accumulated amortization of intangible assets other than goodwill were as follows:


	December 31, 2024
	Useful Life	Gross Carrying Value		Accumulated Amortization		Foreign Currency Translation		Net Carrying Value		Weighted‑ Average Remaining Useful Life
	(in thousands)
Trademarks	8 years	$	34,300	$	30,584	$	—	$	3,716	0.8 years
Customer relationships	5 ‑ 12 years	257,308		142,131		(1,993)		113,184		5.3 years
Developed technology	5 - 6.5 years	75,487		39,826		(5,352)		30,309		3.0 years
Non‑competes	3 years	1,349		967		—		382		0.8 years
Intellectual property	5 years	270		38		—		232		4.3 years
Total intangible assets		$	368,714	$	213,546	$	(7,345)	$	147,823


	December 31, 2023
	Useful Life	Gross Carrying Value		Accumulated Amortization		Foreign Currency Translation		Net Carrying Value		Weighted‑ Average Remaining Useful Life
	(in thousands)
Trademarks	3 - 8 years	$	34,700	$	26,630	$	(35)	$	8,035	1.8 years
Customer relationships	5 ‑ 12 years	257,308		119,396		(1,781)		136,131		6.2 years
Developed technology	5 - 6.5 years	84,647		36,235		(5,148)		43,264		3.9 years
Non‑competes	2.5 - 3 years	3,099		2,267		(172)		660		1.8 years
Order backlog	2.5 years	3,800		3,800		(199)		(199)		0.0 years
Total intangible assets		$	383,554	$	188,328	$	(7,335)	$	187,891

Amortization expense was $40.0 million, $42.9 million, and $48.2 million for the years ended December 31, 2024, 2023, and 2022, respectively.

Future estimated amortization expense as of December 31, 2024 is as follows (in thousands):

There were no impairments to goodwill or intangible assets during the years ended December 31, 2024, 2023, and 2022.