Details Of Certain Accounts (Tables)

12 Months Ended

Dec. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of other current assets

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

	December 31,
	2020		2019
Contract assets (Note 12)	$	2,446	$	740
Prepaids	15,904		12,635
Deferred costs (Note 12)	23,522		28,340
Income tax receivable (Note 9)	20,787		1,261
Other receivable (Note 16)	29,782		—
Other	9,651		7,474
Total other current assets	$	102,092	$	50,450

Schedule of other assets, net

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

	December 31,
	2020		2019
Deferred recertification and dry dock costs, net (Note 2)	$	21,464	$	16,065
Deferred costs (Note 12)	861		14,531
Charter deposit (1)	12,544		12,544
Other receivable (Note 16)	—		27,264
Goodwill (Note 7)	—		7,157
Intangible assets with finite lives, net (Note 2)	3,809		3,847
Other	1,335		3,100
Total other assets, net	$	40,013	$	84,508

(1)This amount is deposited with the owner of the Siem Helix 2 to offset certain payment obligations associated with the vessel at the end of the charter term.

Schedule of accrued liabilities

Accrued liabilities consist of the following (in thousands): 

	December 31,
	2020		2019
Accrued payroll and related benefits	$	24,768	$	31,417
Accrued interest	7,098		3,942
Investee losses in excess of investment (Note 5)	1,499		4,069
Deferred revenue (Note 12)	8,140		11,568
AROs (Note 16)	30,913		—
Other	14,617		11,393
Total accrued liabilities	$	87,035	$	62,389

Schedule of other non-current liabilities

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

	December 31,
	2020		2019
Deferred revenue (Note 12)	$	1,869	$	8,286
AROs (Note 16)	—		28,258
Other	2,009		2,100
Total other non-current liabilities	$	3,878	$	38,644