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Leases

12 Months Ended

Dec. 31, 2020

8. Leases

We have operating leases and subleases for office space, temporary housing, storage and shops. Our leases have remaining lease terms of less than one year to approximately 10 years and most include options to extend the lease term, at our discretion, for an additional one to five years. We are not, however, reasonably certain that we will exercise any of the options to extend and as such, they have not been included in the remaining lease terms.

Balance sheet information related to our operating leases follows (in thousands):


		December 31,
	Classification	2020		2019
ROU assets	Operating lease ROU assets	$	19,236	$	17,901

Lease liabilities
Current	Accrued liabilities	$	3,564	$	3,037
Noncurrent	Operating lease liabilities		16,925		16,094
Total lease liabilities		$	20,489	$	19,131

The components of lease cost follow (in thousands):


	Year Ended December 31,
	2020		2019
Operating lease cost	$	4,508	$	3,966
Short-term lease cost		52		348
Variable lease cost		1,652		1,607
Total lease cost	$	6,212	$	5,921

Cash flow and noncash information related to our operating leases follow (in thousands):


	Year Ended December 31,
	2020		2019
Operating cash flows - cash paid for amounts included in the measurement of operating lease liabilities	$	5,885	$	5,420
Operating lease ROU assets obtained in exchange for new lease liabilities		4,812		2,247

Other supplemental information related to our operating leases follows:


	December 31,
	2020		2019
Weighted average remaining lease term (in years)	7.9		8.2
Weighted average discount rate	4.8	%	5.3	%

Remaining maturities of lease liabilities as of December 31, 2020 were as follows (in thousands):


2021	$	4,126
2022		3,288
2023		2,933
2024		2,513
2025		2,213
Thereafter		9,766
Total lease payments		24,839
Less: Interest		(4,350)
Total lease liabilities	$	20,489