Intangible Assets, Goodwill and Other Assets (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

The following table reflects the components of intangible assets being amortized at December 31, 2022 and 2021:

		December 31, 2022						December 31, 2021
	Weighted Amortization Period in Years	Gross Carrying Amount		Accumulated Amortization		Carrying Value		Gross Carrying Amount		Accumulated Amortization		Carrying Value
Marine contract intangibles	20	$	800	$	642	$	158	$	800	$	607	$	193
Offshore pipeline contract intangibles	19	158,101		61,715		96,386		158,101		53,394		104,707
Other	10	44,391		13,615		30,776		37,933		15,770		22,163
Total		$	203,292	$	75,972	$	127,320	$	196,834	$	69,771	$	127,063

Schedule of Estimated Amortization Expense

The following table reflects our estimated amortization expense for each of the five subsequent fiscal years:

	2023		2024		2025		2026		2027
Marine contract intangibles	$	34	$	33	$	32	$	30	$	29
Offshore pipeline contract intangibles	8,321		8,321		8,321		8,321		8,321
Other	4,216		3,852		3,628		3,330		2,884
Total	$	12,571	$	12,206	$	11,981	$	11,681	$	11,234

Schedule of Other Assets

Other assets consisted of the following:

	December 31,
	2022		2021
Deferred marine charges, net (1)	$	20,503	$	19,930
Unamortized debt issuance costs on senior secured credit facility	2,591		4,736
Other deferred costs	9,114		13,593
Other assets, net of amortization	$	32,208	$	38,259

(1)    See discussion of deferred charges on marine transportation assets in the Summary of Accounting Policies (Note 2).