Leases (Tables)

12 Months Ended

Dec. 31, 2023

Leases

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

		December 31,		December 31,
Leases	Classification	2023		2022
Assets		(in thousands)
Operating leases	Operating lease assets	$	30,716	$	12,146
Finance lease	Finance lease assets*		16,632		17,942
Total leased assets		$	47,348	$	30,088
Liabilities
Current
Operating	Other current liabilities	$	4,978	$	5,367
Finance	Current portion of finance lease obligation		1,511		1,229
Non-current
Operating	Other long-term liabilities		25,724		6,931
Finance	Finance lease obligation		43,674		45,185
Total lease liabilities		$	75,887	$	58,712
*Finance lease assets are recorded net of accumulated depreciation of $46.4 million and include $0.6 million of prepaid financing costs as of December 31, 2023. Finance lease assets are recorded net of accumulated depreciation of $45.9 million and include $0.6 million of prepaid financing costs as of December 31, 2022. ​

Schedule of lease costs

		Year ended
		December 31,
Lease cost	Classification	2023		2022		2021
Operating lease cost		(in thousands)
Product / services*	Cost of revenue	$	7,297	$	5,427	$	2,978
Research and development	Operating expenses		587		322		430
Sales and marketing*	Operating expenses		1,674		1,526		1,605
General and administrative*	Operating expenses		1,111		1,065		996
Total operating lease cost		$	10,669	$	8,340	$	6,009
Finance lease cost
Depreciation of leased assets	Cost of revenue, Research and development, Sales and marketing and General and administrative	$	1,310	$	1,296	$	1,306
Interest on lease liabilities	Interest expense		4,874		4,992		5,086
Total finance lease cost		$	6,184	$	6,288	$	6,392
Total lease cost		$	16,853	$	14,628	$	12,401
* Product / services, sales and marketing and general and administrative expense also includes short-term lease and variable lease costs of approximately $2.1 million, $1.8 million and $1.9 million for the years ended December 31, 2023, 2022 2021, respectively.

Schedule of future minimum operating and finance leases

	Finance		Operating		Total
Maturity of Lease Liabilities	Leases		Leases		Leases
	(in thousands)
2024	$	6,252	$	6,529	$	12,781
2025		5,930		4,970		10,900
2026		6,008		3,613		9,621
2027		6,128		2,530		8,658
2028		6,251		1,926		8,177
Thereafter		55,336		23,205		78,541
Total lease payments	$	85,905	$	42,773	$	128,678
Less interest portion*		(40,720)		(12,071)		(52,791)
Finance lease and operating lease obligations	$	45,185	$	30,702	$	75,887
* 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	2023
Weighted-average remaining lease term (years):
Operating leases		11.5
Finance leases		13.1
Weighted-average discount rate:
Operating leases		5.5%
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	2023		2022		2021
	(in thousands)
Operating cash outflows from operating leases	$	10,669	$	8,340	$	6,009
Operating cash outflows from finance leases		4,874		4,992		5,086
Financing cash outflows from finance leases		1,240		987		763
Operating lease assets obtained in exchange for operating lease liabilities		26,890		6,173		8,670
Finance lease assets obtained in exchange for new finance lease liabilities		—		—		—