Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2022

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Components of Intangible Assets

The following table summarizes the components of our intangible assets at the dates indicated:

	September 30, 2022						December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Carrying Value		Gross Carrying Amount		Accumulated Amortization		Carrying Value
Marine contract intangibles	$	800	$	634	$	166	$	800	$	607	$	193
Offshore pipeline contract intangibles	158,101		59,635		98,466		158,101		53,394		104,707
Other	45,811		17,242		28,569		37,933		15,770		22,163
Total	$	204,712	$	77,511	$	127,201	$	196,834	$	69,771	$	127,063

Schedule of Amortization Expense

Our amortization of intangible assets for the periods presented was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Amortization of intangible assets	$	2,575	$	2,575	$	7,740	$	7,755

Schedule of Expected Amortization Expense

We estimate that our amortization expense for the next five years will be as follows:

Remainder of	2022	$	3,132
	2023	$	12,302
	2024	$	11,937
	2025	$	11,712
	2026	$	11,412