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Intangible Assets and Deferred Charges
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Deferred Charges Intangible Assets and Deferred Charges
Intangible Assets
Intangible assets represent the fair value of intellectual, non-physical assets resulting from business acquisitions and are amortized over their estimated useful life using either an accelerated or straight-line method over a period of 15 years.
The balance of intangible assets from continuing operations subject to amortization are as follows:
March 31, 2025December 31, 2024
(in thousands)Gross Carrying AmountAccumulated AmortizationGross Carrying AmountAccumulated Amortization
Definite-lived intangible assets:
Customer related$14,604 $(8,427)$14,604 $(8,107)
Trademarks and trade names150 (34)150 (32)
Other500 (115)500 (106)
Total definite-lived intangible assets$15,254 $(8,576)$15,254 $(8,245)
Estimated amortization expense related to intangible assets for the next five years are as follows:
(in thousands)
Remainder of 2025$993 
20261,102 
2027930 
2028786 
2029673 
2030565 
Thereafter1,629 

Deferred Charges
Deferred charges represent debt issuance costs and are amortized over their estimated useful lives using the straight-line method over a period of four years.
The balance of deferred charges subject to amortization are as follows:
(in thousands)March 31, 2025December 31, 2024
Deferred charges, gross$342 $326 
Accumulated amortization of deferred charges(45)(17)
Deferred charges, net$297 $309