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Intangible Assets
 3 Months Ended
Mar. 31, 2025
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Intangible Assets Intangible Assets
The following table summarizes the components of our intangible assets at the dates indicated:
 
 March 31, 2025December 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Carrying
Value		Gross
Carrying
Amount		Accumulated
Amortization		Carrying
Value
Offshore pipeline contract intangibles$158,101 $80,437 $77,664 $158,101 $78,357 $79,744 
Other22,773 17,521 5,252 22,633 17,090 5,543 
Total$180,874 $97,958 $82,916 $180,734 $95,447 $85,287 

Our amortization of intangible assets for the periods presented was as follows:
Three Months Ended
March 31,
20252024
Amortization of intangible assets$2,570 $2,459 
We estimate that our amortization expense for the next five years will be as follows:
Remainder of2025$7,707 
20269,859 
20279,291 
20288,620 
20298,582