Goodwill and Intangible assets consist of the following as of December 31, 2025 and December 31, 2024:


	December 31, 2025		December 31, 2024
Goodwill	$	60	$	60
Intangible assets with indefinite lives:
Land use rights		230		230
Total intangible assets with indefinite lives:	$	230	$	230
Intangible assets with finite lives:
Interconnection, net of accumulated amortization of $5,344 and $4,593	$	13,972	$	14,614
Customer contracts, net of accumulated amortization of $17,841 and $17,476		5,343		3,209
Total intangible assets with finite lives:	$	19,315	$	17,823
Total Goodwill and Intangible assets	$	19,605	$	18,113

The weighted average remaining useful life of the customer contracts and interconnections are approximately 12 and 13 years, respectively. Amortization expense was $1,117, $986 and $972 for the years ended December 31, 2025, 2024 and 2023, respectively.

Amortization expense for customer contracts and interconnections for the next five years is as follows:


	Customer		Inter-
Year ending	Contracts		connections
2026	$	427	$	751
2027		427		751
2028		427		751
2029		427		751
2030		427		751
Thereafter		3,208		10,217