
	June 30, 2026
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated impairment loss		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Customer relationships	2.6	$	234,108	$	—	$	(161,119)	$	72,989
Technology	0.0	1,500		—		(1,500)		—
Trade names	1.5	165,500		(132,540)		(27,763)		5,197
Indefinite-lived intangible assets:
Trade name – WillScot		125,000		—		—		125,000
Total intangible assets		$	526,108	$	(132,540)	$	(190,382)	$	203,186


	December 31, 2025
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated impairment loss		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Customer relationships	3.0	$	234,108	$	—	$	(144,959)	$	89,149
Technology	0.5	1,500		—		(1,375)		125
Trade names	1.8	165,500		(132,540)		(23,146)		9,814
Indefinite-lived intangible assets:
Trade name – WillScot		125,000		—		—		125,000
Total intangible assets		$	526,108	$	(132,540)	$	(169,480)	$	224,088

Amortization expense related to intangible assets was $10.2 million and $11.8 million for the three months ended June 30, 2026 and 2025, respectively, and $20.9 million and $23.1 million for the six months ended June 30, and 2025, respectively.

As of June 30, 2026, the expected future amortization expense for intangible assets was as follows for the years ended December 31:


(in thousands)
2026 (remaining)	$	19,308
2027	33,580
2028	18,037
2029	3,367
2030	3,117
Thereafter	777
Total	$	78,186