Leases (Tables)

3 Months Ended

Mar. 31, 2021

Leases [Abstract]

Schedule of Supplemental Balance Sheet Information Related Leases Assets and Liabilities

The following table presents supplemental balance sheet information related to lease assets and liabilities:

(in thousands)	Classification	March 31, 2021		December 31, 2020
Assets
Operating lease assets	Other long-term assets	$	9,922	$	11,081
Finance lease assets1	Property, plant and equipment, net		7,419		7,206
Total lease assets		$	17,341	$	18,287
Liabilities
Current:
Operating lease liabilities	Accounts payable and accrued liabilities	$	3,848	$	4,304
Finance lease liabilities	Accounts payable and accrued liabilities		2,363		2,202
Noncurrent:
Operating lease liabilities	Other long-term obligations		6,101		6,835
Finance lease liabilities	Other long-term obligations		4,977		4,914
Total lease liabilities		$	17,289	$	18,255

¹ Finance lease assets are presented net of accumulated amortization of $2.3 million and $1.7 million as of March 31, 2021 and December 31, 2020, respectively.

Schedule of Components of Lease Expense

The following table presents the components of lease expense:

	Three Months Ended March 31,
(in thousands)	2021		2020
Operating lease costs1	$	1,328	$	1,425
Finance lease costs:
Amortization of leased assets		589	213
Interest on lease liabilities		51	27
Net lease costs	$	1,968	$	1,665

^{1 Excludes short-term leases and variable lease costs, which are immaterial.}

Schedule of Supplemental Cash Flow Information Related Leases

The following table presents supplemental cash flow information related to leases:

	Three Months Ended March 31,
(in thousands)	2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,368	$	1,506
Operating cash flows for finance leases	$	51	$	27
Financing cash flows for finance leases	$	577	$	215
Leased assets exchanged for new lease liabilities:
Operating leases	$	124	$	38
Finance leases	$	801	$	1,517