Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases

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

		December 31,		December 31,
Leases	Classification	2022		2021
Assets		(in thousands)
Operating leases	Operating lease assets	$	12,146	$	9,242
Finance lease	Finance lease assets *		17,942		19,238
Total leased assets		$	30,088	$	28,480
Liabilities
Current
Operating	Other current liabilities	$	5,367	$	4,716
Finance	Current portion of finance lease obligation		1,229		979
Noncurrent
Operating	Other long-term liabilities		6,931		4,357
Finance	Finance lease obligation		45,185		46,415
Total lease liabilities		$	58,712	$	56,467
*Finance lease assets are recorded net of accumulated depreciation of $45.9 million and includes $0.6 million of prepaid financing costs as of December 31, 2022. Finance lease assets are recorded net of accumulated depreciation of $48.6 million and includes $0.7 million of prepaid financing costs as of December 31, 2021. ​

Schedule of lease costs

		Year ended
		December 31,
Lease cost	Classification	2022		2021		2020
Operating lease cost		(in thousands)
Product / Services*	Cost of revenue	$	5,427	$	2,978	$	2,402
Research and development	Operating expenses		322		430		491
Sales and marketing*	Operating expenses		1,526		1,605		1,389
General and administrative*	Operating expenses		1,065		996		877
Total operating lease cost		$	8,340	$	6,009	$	5,159
Finance lease cost
Depreciation of leased assets	Cost of revenue, R&D, Sales and marketing and G&A	$	1,296	$	1,306	$	1,336
Interest on lease liabilities	Interest expense		4,992		5,086		5,211
Total finance lease cost		$	6,288	$	6,392	$	6,547
Total lease cost		$	14,628	$	12,401	$	11,706
* Product / services, sales and marketing and general and administrative expense also includes short-term lease and variable lease costs of approximately $1.8 million, $1.9 million and $1.2 million for the twelve months ended December 31, 2022, 2021 and 2020, respectively.

Schedule of future minimum operating and finance leases

	Finance		Operating		Total
Maturity of Lease Liabilities	Leases		Leases		Leases
	(in thousands)
2023	$	6,114	$	6,588	$	12,702
2024		6,252		3,292		9,544
2025		5,930		2,172		8,102
2026		6,008		1,602		7,610
2027		6,128		799		6,927
Thereafter		61,586		13		61,599
Total lease payments	$	92,018	$	14,466	$	106,484
Less interest portion*		(45,604)		(2,168)		(47,772)
Finance lease and operating lease obligations	$	46,414	$	12,298	$	58,712
* 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

	December 31,
Lease term and discount rate	2022
Weighted-average remaining lease term (years):
Operating leases		3.1
Finance leases		14.1
Weighted-average discount rate:
Operating leases		4.5%
Finance leases		10.5%

Schedule of cash outflows by lease type

	Year ended December 31,
Cash paid for amounts included in the measurement of lease liabilities	2022		2021		2020
	(in thousands)
Operating cash outflows from operating leases	$	8,340	$	6,009	$	5,159
Operating cash outflows from finance leases		4,992		5,086		5,321
Financing cash outflows from finance leases		987		763		399
Operating lease assets obtained in exchange for operating lease liabilities		6,173		8,670		2,369
Finance lease assets obtained in exchange for new finance lease liabilities		—		—		—