Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases

Schedule of operating and finance lease right-of-use assets and related lease obligations

		June 30,		December 31,
Leases	Classification	2020		2019
Assets		(in thousands)
Operating lease	Operating lease assets	$	5,033	$	5,849
Finance lease	Finance lease assets *		21,200		21,880
Total leased assets		$	26,233	$	27,729
Liabilities
Current
Operating	Other current liabilities	$	2,989	$	3,144
Finance	Current portion of finance lease obligation		654		399
Noncurrent
Operating	Other long-term liabilities		2,035		2,553
Finance	Finance lease obligation		47,787		48,149
Total lease liabilities		$	53,465	$	54,245
* Finance lease assets are recorded net of accumulated depreciation of $47.9 million and include $0.7 million of prepaid financing costs as of June 30, 2020. Finance lease assets are recorded net of accumulated depreciation of $47.4 million and include $0.7 million of prepaid financing costs as of December 31, 2019. ​

Schedule of lease costs

		Three months ended				Six months ended
		June 30,				June 30,
Lease cost	Classification	2020		2019		2020		2019
Operating lease cost		(in thousands)
Service	Cost of revenue	$	624	$	583	$	1,174	$	1,180
Research and development	Operating expenses		128		86		209		152
Sales and marketing*	Operating expenses		346		345		678		699
General and administrative*	Operating expenses		220		193		435		402
Total operating lease cost		$	1,318	$	1,207	$	2,496	$	2,433
Finance lease cost
Depreciation of leased assets	Cost of revenue, R&D, Sales and marketing and G&A	$	328	$	332	$	681	$	665
Interest on lease liabilities	Interest expense		1,299		1,311		2,602		2,541
Total finance lease cost		$	1,627	$	1,643	$	3,283	$	3,206
Total lease cost		$	2,945	$	2,850	$	5,779	$	5,639
* Sales and marketing, general and administrative expense includes short-term lease and variable lease costs of approximately $0.3 million and $0.5 million for the three and six months ended June 30, 2020, respectively and includes short-term lease and variable lease costs of approximately $0.2 million and $0.4 million for the three and six months ended June 30, 2019, respectively.

Schedule of future minimum operating leases

	Finance		Operating		Total
Maturity of Lease Liabilities	Leases		Leases		Leases
	(in thousands)
2020	$	2,865	$	1,843	$	4,708
2021		5,848		2,242		8,090
2022		5,980		945		6,925
2023		6,114		219		6,333
2024		6,252		86		6,338
Thereafter		79,653		210		79,863
Total lease payments	$	106,712	$	5,545	$	112,257
Less interest portion*		(58,271)		(521)		(58,792)
Finance lease and operating lease obligations	$	48,441	$	5,024	$	53,465
* Finance lease interest calculated using the implied interest rate; operating lease interest calculated using estimated corporate borrowing rate.

Schedule of weighted-average remaining lease term and discount rates

	June 30,
Lease term and discount rate	2020
Weighted-average remaining lease term (years):
Operating leases		1.7
Finance leases		16.6
Weighted-average discount rate:
Operating leases		4.5%
Finance leases		10.5%

Schedule of cash outflows by lease type

	Six months ended
	June 30,
Cash paid for amounts included in the measurement of lease liabilities	2020		2019
	(in thousands)
Operating cash outflows from operating leases	$	2,496	$	2,433
Operating cash outflows from finance leases		2,746		2,792
Financing cash outflows from finance leases		108		—
Operating lease assets obtained in exchange for operating lease liabilities		1,038		6,431
Finance lease assets obtained in exchange for new finance lease liabilities	$	—	$	—

Schedule of future minimum operating and finance leases

	Finance		Operating		Total
Maturity of Lease Liabilities	Leases		Leases		Leases
	(in thousands)
2020	$	2,865	$	1,843	$	4,708
2021		5,848		2,242		8,090
2022		5,980		945		6,925
2023		6,114		219		6,333
2024		6,252		86		6,338
Thereafter		79,653		210		79,863
Total lease payments	$	106,712	$	5,545	$	112,257
Less interest portion*		(58,271)		(521)		(58,792)
Finance lease and operating lease obligations	$	48,441	$	5,024	$	53,465
* Finance lease interest calculated using the implied interest rate; operating lease interest calculated using estimated corporate borrowing rate.