Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

5. Goodwill and Other Intangible Assets

Goodwill and other intangible assets consisted of the following (amounts in thousands):


	At June 30, 2025						At December 31, 2024
	Gross Book Value		Accumulated Amortization		Net Book Value		Gross Book Value		Accumulated Amortization		Net Book Value
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	1,023,161		(954,361)		68,800		1,008,111		(910,591)		97,520
Total goodwill and other intangible assets	$	1,207,828	$	(954,361)	$	253,467	$	1,192,778	$	(910,591)	$	282,187

Finite-lived intangible assets consist primarily of acquired customers in place. Amortization expense related to intangible assets subject to amortization was $20.5 million and $43.8 million for the three and six months ended June 30, 2025, respectively, and $31.0 million and $66.8 million for the same periods in 2024. During the six months ended June 30, 2025, intangibles increased $15.1 million, in connection with the acquisition of real estate facilities (Note 3).

The estimated future amortization expense for our finite-lived intangible assets at June 30, 2025 is as follows (amounts in thousands):


Year	Amount
Remainder of 2025	$	33,408
2026	27,861
2027	3,739
2028	378
2029	212
Thereafter	3,202
Total	$	68,800