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Details Of Certain Accounts (Tables)
3 Months Ended
Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of other current assets

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

March 31, 

December 31, 

    

2021

    

2020

Contract assets (Note 7)

$

360

 

$

2,446

Prepaids

 

15,289

 

15,904

Deferred costs (Note 7)

 

18,717

 

23,522

Income tax receivable

 

13,847

 

20,787

Other receivable (Note 11)

 

30,052

 

29,782

Other

 

7,977

 

9,651

Total other current assets

$

86,242

 

$

102,092

Schedule of other assets, net

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

March 31, 

December 31, 

    

2021

    

2020

Deferred recertification and dry dock costs, net

$

19,073

 

$

21,464

Deferred costs (Note 7)

 

916

 

861

Charter deposit (1)

 

12,544

 

12,544

Intangible assets with finite lives, net

 

3,756

 

3,809

Other

 

1,221

 

1,335

Total other assets, net

$

37,510

 

$

40,013

(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):

March 31, 

December 31, 

    

2021

    

2020

Accrued payroll and related benefits

$

20,327

 

$

24,768

Accrued interest

3,010

7,098

Deferred revenue (Note 7)

 

9,614

 

8,140

Asset retirement obligations (Note 11)

 

30,961

 

30,913

Other

 

12,574

 

16,116

Total accrued liabilities

$

76,486

 

$

87,035

Schedule of other non-current liabilities

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

March 31, 

December 31, 

    

2021

    

2020

Deferred revenue (Note 7)

$

1,333

 

$

1,869

Other

 

1,772

 

2,009

Total other non-current liabilities

$

3,105

 

$

3,878