Intangible Assets

The Company’s intangible assets as of March 31, 2024 and December 31, 2023 included the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Amortizable intangible assets:
Developed technology	$	109,736	$	109,736
Customer relationships	37,300		37,300
In-process research and development	8,830		8,830

Trademarks	900		900
Non-compete agreements	—		200
Total identifiable intangible assets, gross	156,766		156,966
Accumulated amortization—intangible assets:
Developed technology	(79,976)		(75,321)
Customer relationships	(27,198)		(24,867)
In-process research and development	(5,345)		(4,832)

Trademarks	(825)		(750)
Non-compete agreements	—		(185)
Total accumulated amortization—intangible assets	(113,344)		(105,955)
Total identifiable intangible assets, net	$	43,422	$	51,011

Amortization of intangible assets for the three months ended March 31, 2024 and 2023 was $7.6 million and $86.4 million, respectively.

The estimated remaining amortization expense associated with the Company's intangible assets was as follows as of March 31, 2024: