Leases (Tables)

6 Months Ended

Jun. 30, 2020

The following table presents information about the Company's right-of-use (ROU) assets and lease liabilities at June 30, 2020 and December 31, 2019 (in thousands):


	Condensed Consolidated Balance Sheets Line Items	June 30, 2020				December 31, 2019
ROU assets:
Operating lease ROU assets	Operating lease assets	$	47,535			$	51,700
Finance lease ROU assets	Property, plant and equipment, net	52,171				56,793
Total ROU assets				$	99,706			$	108,493
Operating lease liabilities:
Current operating lease liabilities	Current portion of operating lease liabilities	$	11,379			$	10,763
Noncurrent operating lease liabilities	Operating lease liabilities, less current portion	42,673				48,299
Total operating lease liabilities				$	54,052			$	59,062
Finance lease liabilities:
Current finance lease liabilities	Accounts payable and accrued expenses	$	5,939			$	5,672
Noncurrent finance lease liabilities	Other liabilities	28,159				31,312
Total finance lease liabilities				$	34,098			$	36,984

Lease, cost

The following table presents information about lease costs and expenses and sublease income for the three and six months ended June 30, 2020 and 2019 (in thousands):


	Condensed Consolidated Statements of Operations Line Items	Three Months Ended June 30,									Six Months Ended June 30,
				2020			2019			2020			2019
Operating lease cost	Various (1)	$	3,112		$	3,260		$	7,104		$	6,759
Finance lease cost:
Amortization of ROU assets	Various (1)	$	2,311		$	2,489		$	4,622		$	4,785
Interest on lease liabilities	Interest expense, net	$	441		$	485		$	907		$	985
Other lease costs and income:
Variable lease costs (2)	Various (1)	$	2,184		$	2,778		$	4,842		$	4,867
Sublease income	Various (1)	$	(932)		$	(932)		$	(1,793)		$	(1,896)

__________

(1)Amounts are included in the Condensed Consolidated Statements of Operations based on the function that the underlying leased asset supports. The following table presents the components of such aggregate amounts for the three and six months ended June 30, 2020 and 2019 (in thousands):


	Three Months Ended June 30,						Six Months Ended June 30,
	2020		2019		2020		2019
Cost of revenues	$	2,446	$	2,932	$	5,774	$	5,632
Selling, general and administrative	$	4,179	$	4,629	$	8,900	$	8,798
Research and development	$	50	$	34	$	101	$	85

(2)Amounts represent variable lease costs incurred that were not included in the initial measurement of the lease liability such as common area maintenance and utilities costs associated with leased real estate and certain costs associated with our automobile leases.

The following table provides certain cash flow and supplemental noncash information related to our lease liabilities for the six months ended June 30, 2020 and 2019 (in thousands):


	Six Months Ended June 30,
	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash payments for operating leases	$	7,125	$	7,458
Operating cash payments for finance leases	$	1,493	$	942
Financing cash payments for finance leases	$	2,393	$	6,656
Lease liabilities arising from obtaining right-of-use assets:
Operating leases	$	—	$	623
Finance leases	$	—	$	6,045