The following tables summarize the Company’s intangible assets (dollars in thousands):


	September 30, 2026
	Weighted average amortization period in years		Gross carrying amount		Accumulated amortization		Net carrying amount
Customer Relationships		15	$	37,220	$	11,762	$	25,458
Trade Names		10		800		385		415
Developed Technology		6		2,050		768		1,282
Vendor Relationships		15		1,248		565		683
Database		5		2,400		2,310		90
Patents		17		157		77		80
Total intangible assets			$	43,875	$	15,867	$	28,008


	December 31, 2025
	Weighted average amortization period in years		Gross carrying amount		Accumulated amortization		Net carrying amount
Customer Relationships		15	$	36,600	$	9,911	$	26,689
Trade Names		10		800		325		475
Developed Technology		5		740		627		113
Vendor Relationships		15		1,253		504		749
Database		5		2,400		1,950		450
Patents		17		157		70		87
Subtotal intangible assets				41,950		13,387		28,563
In-place Lease Intangible Asset		4		568		568		—
Above Market Lease Intangible Asset		4		896		896		—
Total intangible assets			$	43,414	$	14,851	$	28,563

Amortization expense for the three and nine months ended September 30, 2026 and 2025 was as follows (in thousands):


	Three Months Ended September 30,				Nine Months Ended September 30,
	2026		2025		2026		2025
Sales and marketing	$	791	$	770	$	2,331		2,310
Product development		80		30		140		90
General and administrative (1)		3		4		10		11
Total	$	874	$	804	$	2,481	$	2,411

(1) Amortization of the lease-related intangible assets is recorded as operating lease expense in general and administrative.

As of September 30, 2026, estimated amortization expense for intangible assets for the remainder of 2026 and the next five years is: $0.8 million in 2026, $2.9 million in 2027, $2.9 million in 2028, $2.9 million in 2029, $2.9 million in 2030, $2.9 million in 2031 and $12.7 million thereafter.

The following table provides a roll forward of the carrying amount of goodwill (in thousands):


	2026			2025
Balance as of January 1:
Gross goodwill	$	266,875		$	265,760
Accumulated impairments		(3,074	)		(3,074	)
Net goodwill as of January 1		263,801			262,686
Goodwill acquired during the year		4,615			—
Impact of foreign exchange		(365	)		1,115
Net goodwill as of September 30, 2026 and December 31, 2025:	$	268,051		$	263,801

As of September 30, 2026 and December 31, 2025, the Company had $268.1 million and $263.8 million, respectively of goodwill. As of September 30, 2026, $262.7 million was part of the Company’s U.S. operating segment and $5.4 million was part of its International operating segment. As of December 31, 2025, $258.0 million was part of the Company’s U.S. operating segment and $5.8 million was part of its International operating segment.