Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of components of lease cost

The following table details the components of our lease cost (in thousands):

	Year Ended December 31,
	2021		2020		2019
Operating lease cost	$	60,636	$	64,742	$	70,860
Variable lease cost		16,711		15,021		13,780
Short-term lease cost		20,590		37,524		20,384
Sublease income		(1,303)		(1,286)		(1,391)
Net lease cost	$	96,634	$	116,001	$	103,633

Schedule of maturities of operating lease liabilities

Maturities of our operating lease liabilities as of December 31, 2021 are as follows (in thousands):

			Facilities and
	Vessels		Equipment		Total
Less than one year	$	55,573	$	5,601	$	61,174
One to two years		34,580		4,844		39,424
Two to three years		2,470		4,514		6,984
Three to four years		—		2,462		2,462
Four to five years		—		1,074		1,074
Over five years		—		4,193		4,193
Total lease payments	$	92,623	$	22,688	$	115,311
Less: imputed interest		(5,633)		(3,741)		(9,374)
Total operating lease liabilities	$	86,990	$	18,947	$	105,937
Current operating lease liabilities	$	51,035	$	4,704	$	55,739
Non-current operating lease liabilities		35,955		14,243		50,198
Total operating lease liabilities	$	86,990	$	18,947	$	105,937

Maturities of our operating lease liabilities as of December 31, 2020 are as follows (in thousands):

			Facilities and
	Vessels		Equipment		Total
Less than one year	$	54,621	$	6,028	$	60,649
One to two years		52,106		5,435		57,541
Two to three years		34,580		4,649		39,229
Three to four years		2,470		4,374		6,844
Four to five years		—		2,340		2,340
Over five years		—		4,054		4,054
Total lease payments	$	143,777	$	26,880	$	170,657
Less: imputed interest		(13,352)		(4,697)		(18,049)
Total operating lease liabilities	$	130,425	$	22,183	$	152,608
Current operating lease liabilities	$	46,748	$	4,851	$	51,599
Non-current operating lease liabilities		83,677		17,332		101,009
Total operating lease liabilities	$	130,425	$	22,183	$	152,608

Schedule of weighted average remaining lease term and discount rate

The following table presents the weighted average remaining lease term and discount rate:

	December 31,
	2021		2020		2019
Weighted average remaining lease term	2.4	years	3.1	years	4.0	years
Weighted average discount rate	7.57	%	7.53	%	7.54	%

Schedule of other information related to operating leases

The following table presents other information related to our operating leases (in thousands):

	Year Ended December 31,
	2021		2020		2019
Cash paid for operating lease liabilities	$	61,826	$	66,026	$	71,698
Right-of-use assets obtained in exchange for new operating lease obligations		5,992		516		1,168