7. Leases (Tables)

9 Months Ended

Sep. 30, 2020

Leases [Abstract]

Schedule of operating lease cost and related information

The following table presents certain quantitative information related to our lease arrangements for the three and nine months ended September 30, 2020 and 2019, and as of September 30, 2020 and December 31, 2019 (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Operating lease cost	$	4,798	$	5,788	$	13,694	$	16,607
Variable lease cost	628		904		1,919		2,592
Short-term lease cost	1,112		1,118		2,817		6,818
Total lease cost	$	6,538	$	7,810	$	18,430	$	26,017
Payments of amounts included in the measurement of operating lease liabilities					$	15,756	$	15,995
Lease assets obtained in exchange for operating lease liabilities					$	93,992	$	172,760
					September 30, 2020		December 31, 2019
Operating lease assets					$	223,554	$	145,711
Operating lease liabilities – current					14,506		11,102
Operating lease liabilities – noncurrent					184,887		112,515

Weighted-average remaining lease term	20 years		15 years
Weighted-average discount rate	3.0	%	4.3	%

Operating lease liability maturity

As of September 30, 2020, the future payments associated with our lease liabilities were as follows (in thousands):

	Total Lease Liabilities
Remainder of 2020	$	3,795
2021	18,354
2022	17,600
2023	17,104
2024	16,815
2025	16,360
Thereafter	159,244
Total future payments	249,272
Less: interest	(49,879)
Total lease liabilities	$	199,393