Leases

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Leases

Note 6 — Leases

We charter vessels and lease facilities and equipment under non-cancelable contracts that expire on various dates through 2031. We also sublease some of our facilities under non-cancelable sublease agreements. As of December 31, 2019, the minimum sublease income to be received in the future totaled $2.9 million.

The following table details the components of our lease cost in 2019 (in thousands):

	Year Ended
	December 31, 2019
Operating lease cost	$	70,860
Variable lease cost	13,780
Short-term lease cost	20,384
Sublease income	(1,391		)
Net lease cost	$	103,633

Maturities of our operating lease liabilities as of December 31, 2019 are as follows (in thousands):

	Vessels			Facilities and Equipment			Total
2020	$	60,210		$	6,610		$	66,820
2021	54,564			5,888			60,452
2022	52,106			5,257			57,363
2023	34,580			4,622			39,202
2024	2,470			4,349			6,819
Thereafter	—			6,251			6,251
Total lease payments	$	203,930		$	32,977		$	236,907
Less: imputed interest	(24,846		)	(6,449		)	(31,295		)
Total operating lease liabilities	$	179,084		$	26,528		$	205,612
Current operating lease liabilities	$	48,716		$	5,069		$	53,785
Non-current operating lease liabilities	130,368			21,459			151,827
Total operating lease liabilities	$	179,084		$	26,528		$	205,612

The following table presents the weighted average remaining lease term and discount rate in 2019:

	December 31, 2019
Weighted average remaining lease term	4.0 years
Weighted average discount rate	7.54	%

The following table presents other information related to our operating leases in 2019 (in thousands):

	Year Ended
	December 31, 2019
Cash paid for operating lease liabilities	$	71,698
ROU assets obtained in exchange for new operating lease obligations	1,168

As previously disclosed in our 2018 Form 10-K and under the previous lease accounting standard, future minimum lease payments for our operating leases as of December 31, 2018 were as follows (in thousands):

	Vessels		Facilities and Equipment		Total
2019	$	116,620	$	5,881	$	122,501
2020	96,800		5,340		102,140
2021	89,216		5,185		94,401
2022	90,371		5,064		95,435
2023	51,266		4,533		55,799
Thereafter	—		10,448		10,448
Total lease payments	$	444,273	$	36,451	$	480,724

For the years ended December 31, 2018 and 2017, total rental expense was approximately $147.8 million and $114.5 million, respectively. For the years ended December 31, 2018 and 2017, total sublease rental income was $1.4 million and $1.3 million, respectively.