XML 92 R37.htm IDEA: XBRL DOCUMENT v3.25.0.1
Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets
Our identifiable intangible assets are as follows (in thousands):
As of December 31, 2024As of December 31, 2023
Useful LifeGrossAccumulated AmortizationNet GrossAccumulated AmortizationNet
Intangible assets subject to amortization:
Customer relationships
11.6 - 13.4 years
$234,231 $(47,320)$186,911 $210,000 $(28,664)$181,336 
Marketing contract 20 years— — — 144,219 (42,064)102,155 
Rights-of-way assets
8 - 35 years
14,892 (1,778)13,114 14,892 (1,078)13,814 
Favorable contract
4.8 years
4,775 (307)4,468 — — — 
Intangible assets not subject to amortization:
Rights-of-way assets Indefinite76,965 76,965 45,722 45,722 
Total$330,863 $(49,405)$281,458 $414,833 $(71,806)$343,027 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Amortization expense for the next five years is estimated to be as follows (in thousands):
2025$21,618 
2026$21,618 
2027$21,618 
2028$21,618 
2029$21,059