
	June 30, 2026						December 31, 2025
	Gross Amount		Accumulated Amortization		Net Balance		Gross Amount		Accumulated Amortization		Net Balance
Customer relationships	$	94,662	$	(21,676)	$	72,986	$	94,302	$	(17,573)	$	76,729
Contract rights	22,741		(22,323)		418		22,720		(20,245)		2,475
Leasehold	640		(312)		328		640		(268)		372
Developed technology	1,310		(24)		1,286		690		(8)		682
Domain name	281		–		281		281		–		281
Licensing rights	$	8,041	–		8,041		8,041		–		8,041
Total	$	127,675	$	(44,335)	$	83,340	$	126,674	$	(38,094)	$	88,580

Developed technology consists of both capitalized internal-use software costs and acquired technology recognized in connection with business combinations. As of June 30, 2026, the gross carrying amount of developed technology was $1.3 million, of which $1.0 million relates to capitalized internal-use software costs and $0.3 million relates to acquired technology recognized in a business combination. Acquired technology is amortized on a straight-line basis over an estimated useful life of approximately ten years. Amortization expense related to developed technology is included within depreciation and amortization in the consolidated income statements.

The following table summarizes the weighted average useful lives (in years) of intangible assets by asset class used for straight-line amortization expense purposes:


	June 30, 2026	December 31, 2025
Customer relationships	12.36	12.38
Contract rights	1.61	1.61
Leasehold	7.41	7.41
Developed technology	10.00	10.00

Amortization expense for the three and six months ended June 30, 2026 was $2.9 million and $6.2 million, respectively. Amortization expense for the three and six months ended June 30, 2025 was $2.5 million and $5.1 million, respectively.

Future amortization for the remainder of 2026 and for the succeeding years for intangible assets with definite useful lives is as follows (in thousands):