Leases (Tables)

6 Months Ended

Jun. 30, 2021

Leases [Abstract]

Schedule of components of lease cost

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Operating lease cost	$	14,839	$	16,106	$	31,055	$	32,429
Variable lease cost		3,635		3,840		7,119		7,052
Short-term lease cost		5,243		9,992		6,975		17,166
Sublease income		(329)		(328)		(678)		(607)
Net lease cost	$	23,388	$	29,610	$	44,471	$	56,040

Schedule of maturities of operating lease liabilities

Maturities of our operating lease liabilities as of June 30, 2021 are as follows (in thousands):

			Facilities and
	Vessels		Equipment		Total
Less than one year	$	52,106	$	5,884	$	57,990
One to two years		49,760		5,185		54,945
Two to three years		13,557		4,722		18,279
Three to four years		—		4,145		4,145
Four to five years		—		1,041		1,041
Over five years		—		4,835		4,835
Total lease payments	$	115,423	$	25,812	$	141,235
Less: imputed interest		(9,021)		(4,511)		(13,532)
Total operating lease liabilities	$	106,402	$	21,301	$	127,703
Current operating lease liabilities	$	45,940	$	4,829	$	50,769
Non-current operating lease liabilities		60,462		16,472		76,934
Total operating lease liabilities	$	106,402	$	21,301	$	127,703

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:

	June 30,		December 31,
	2021		2020
Weighted average remaining lease term	2.8	years	3.1	years
Weighted average discount rate	7.51	%	7.53	%

Schedule of other information related to operating leases

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

	Six Months Ended
	June 30,
	2021		2020
Cash paid for operating lease liabilities	$	31,562	$	32,731
ROU assets obtained in exchange for new operating lease obligations		1,500		—