Details Of Certain Accounts (Tables)

12 Months Ended

Dec. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of other current assets

Other current assets consist of the following (in thousands):

	December 31,
	2023		2022
Prepaids	$	28,352	$	26,609
Contract assets (Note 11)		5,824		6,295
Deferred costs (Note 11)		36,041		13,969
Other		15,006		11,826
Total other current assets	$	85,223	$	58,699

Schedule of other assets, net

Other assets, net consist of the following (in thousands):

	December 31,
	2023		2022
Prepaid charter (1)	$	12,544	$	12,544
Deferred costs (Note 11)		587		6,432
Other receivable (2)		25,623		24,827
Intangible assets with finite lives, net		4,105		4,465
Other		1,964		2,239
Total other assets, net	$	44,823	$	50,507

(1) Represents prepayments to the owner of the Siem Helix 1 and the Siem Helix 2 to offset certain payment obligations associated with the vessels at the end of their respective charter term.

(2) Represents the present value of the agreed-upon amounts that we are entitled to receive from Marathon Oil Corporation (“Marathon Oil”) for remaining P&A work to be performed by us on Droshky oil and gas properties we acquired from Marathon Oil in 2019.

Schedule of accrued liabilities

Accrued liabilities consist of the following (in thousands):

	December 31,
	2023		2022
Accrued payroll and related benefits	$	59,010	$	41,339
Accrued interest		4,181		6,306
Income tax payable		1,938		479
Deferred revenue (Note 11)		32,763		9,961
Earn-out consideration (Note 3)		85,000		—
Other (1)		20,220		15,489
Total accrued liabilities	$	203,112	$	73,574

(1) During the third quarter 2023, we acquired five P&A systems and other assets for total consideration of $17.6 million including $6.0 million in cash in addition to credits towards future services offered by us. Amount as of December 31, 2023 included $9.0 million of those credits.

Schedule of other non-current liabilities

Other non-current liabilities consist of the following (in thousands):

	December 31,
	2023		2022
Asset retirement obligations (Note 15)	$	61,356	$	51,956
Contingent consideration (Note 19)		—		42,754
Other (1)		4,892		520
Total other non-current liabilities	$	66,248	$	95,230

(1) Amount as of December 31, 2023 included $2.6 million of credits offered by us in exchange for the purchase of P&A equipment (see above).