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Intangible Assets
 9 Months Ended
Sep. 30, 2023
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Intangible Assets Intangible Assets
The following table summarizes the components of our intangible assets at the dates indicated:
 
 September 30, 2023December 31, 2022
 Gross
Carrying
Amount		Accumulated
Amortization		Carrying
Value		Gross
Carrying
Amount		Accumulated
Amortization		Carrying
Value
Offshore pipeline contract intangibles158,101 67,956 90,145 158,101 61,715 96,386 
Other68,280 16,722 51,558 45,191 14,257 30,934 
Total$226,381 $84,678 $141,703 $203,292 $75,972 $127,320 

Our amortization of intangible assets for the periods presented was as follows:
Three Months Ended
September 30, 		Nine Months Ended
September 30,
2023202220232022
Amortization of intangible assets$3,069 $2,575 $8,747 $7,740 
We estimate that our amortization expense for the next five years will be as follows:
Remainder of2023$3,688 
202414,556 
202514,295 
202613,983 
202713,537