
	At June 30, 2026						At December 31, 2025
	Gross Book Value		Accumulated Amortization		Net Book Value		Gross Book Value		Accumulated Amortization		Net Book Value

	(Amounts in thousands)

Goodwill	$	165,843	$	—	$	165,843	$	165,843	$	—	$	165,843
Shurgard® Trade Name	18,824		—		18,824		18,824		—		18,824
Finite-lived intangible assets, subject to amortization	1,082,619		(1,039,281)		43,338		1,071,488		(1,004,542)		66,946
Total goodwill and other intangible assets	$	1,267,286	$	(1,039,281)	$	228,005	$	1,256,155	$	(1,004,542)	$	251,613

Finite-lived intangible assets consist primarily of acquired customers in place. Amortization expense related to intangible assets subject to amortization was $15.5 million and $34.7 million for the three and six months ended June 30, 2026, respectively, and $20.5 million and $43.8 million for the same periods in 2025. During the six months ended June 30, 2026, intangibles increased $11.1 million, in connection with the acquisition of real estate facilities (Note 4).

The estimated future amortization expense for our finite-lived intangible assets at June 30, 2026 is as follows:


Year	Amount

(Amounts in Thousands)

Remainder of 2026	$	24,228
2027	14,103
2028	1,546
2029	229
2030	212
Thereafter	3,020
Total	$	43,338