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Leases (Tables) | 3 Months Ended
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Mar. 31, 2024
Leases |
Schedule of operating and finance lease right-of-use assets and related lease obligations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | March 31, | ​ | December 31, | ​ | ​ | ​
Leases | Classification | ​ | 2024 |  | 2023 |  |  | ​
Assets | ​ | ​ | (in thousands) | ​ |  | ​
Operating leases | Operating lease assets | ​ | $ | 29,557 | ​ | $ | 30,716 | ​ | ​ | ​
Finance lease | Finance lease assets* | ​ |  | 16,310 | ​ |  | 16,632 | ​ | ​ | ​
Total leased assets | ​ | ​ | $ | 45,867 | ​ | $ | 47,348 | ​ | ​ | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | Other current liabilities | ​ | $ | 4,645 | ​ | $ | 4,978 | ​ | ​ | ​
Finance | Current portion of finance lease obligation | ​ | ​ | 1,503 | ​ | ​ | 1,511 | ​ | ​ | ​
Non-current | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | Other long-term liabilities | ​ | ​ | 24,963 | ​ | ​ | 25,724 | ​ | ​ | ​
Finance | Finance lease obligation | ​ |  | 43,328 | ​ |  | 43,674 | ​ | ​ | ​
Total lease liabilities | ​ | ​ | $ | 74,439 | ​ | $ | 75,887 | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
*Finance lease assets are recorded net of accumulated depreciation of $46.7 million and include $0.6 million of prepaid financing costs as of March 31, 2024. 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. | ​ | ​ | ​
Schedule of lease costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Three months ended |  | ​
​ | ​ | ​ | March 31, | ​ | ​
Lease cost | Classification | ​ | 2024 |  | 2023 |  | ​
Operating lease cost | ​ | ​ | (in thousands) |  | ​
Product / services* | Cost of revenue | ​ | $ | 1,828 | ​ | $ | 1,466 | ​ | ​
Research and development | Operating expenses | ​ |  | 123 | ​ |  | 106 | ​ | ​
Sales and marketing* | Operating expenses | ​ |  | 451 | ​ |  | 396 | ​ | ​
General and administrative* | Operating expenses | ​ |  | 194 | ​ |  | 276 | ​ | ​
Total operating lease cost | ​ | ​ | $ | 2,596 | ​ | $ | 2,244 | ​ | ​
Finance lease cost | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Depreciation of leased assets | Cost of revenue, Research and development, Sales and marketing and General and administrative | ​ | $ | 319 | ​ | $ | 319 | ​ | ​
Interest on lease liabilities | Interest expense | ​ |  | 1,197 | ​ |  | 1,231 | ​ | ​
Total finance lease cost | ​ | ​ | $ | 1,516 | ​ | $ | 1,550 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total lease cost | ​ | ​ | $ | 4,112 | ​ | $ | 3,794 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
* Product / services, sales and marketing and general and administrative expense also includes short-term lease and variable lease costs of approximately $0.6 million and $0.5 million for the three months ended March 31, 2024 and 2023, respectively. | ​ | ​
Schedule of future minimum operating and finance leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Finance | ​ | Operating |  | Total |
Maturity of Lease Liabilities | ​ | Leases | ​ | Leases | ​ | Leases | ​
​ | ​ | (in thousands) | ​
2024 | ​ | $ | 4,698 | ​ | $ | 4,979 | ​ | $ | 9,677 | ​
2025 | ​ |  | 5,930 | ​ |  | 3,484 | ​ |  | 9,414 | ​
2026 | ​ |  | 6,008 | ​ |  | 2,443 | ​ |  | 8,451 | ​
2027 | ​ |  | 6,128 | ​ |  | 1,915 | ​ |  | 8,043 | ​
2028 | ​ | ​ | 6,251 | ​ | ​ | 22,730 | ​ | ​ | 28,981 | ​
Thereafter | ​ | ​ | 55,336 | ​ | ​ | 42,139 | ​ | ​ | 97,475 | ​
Total lease payments | ​ | $ | 84,351 | ​ | $ | 77,690 | ​ | $ | 162,041 | ​
Less interest portion* | ​ | ​ | (39,520) | ​ | ​ | (48,082) | ​ | ​ | (87,602) | ​
Finance lease and operating lease obligations | ​ | $ | 44,831 | ​ | $ | 29,608 | ​ | $ | 74,439 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
* 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 | ​
​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​
Lease term and discount rate |  | 2024 | ​
Weighted-average remaining lease term (years): | ​ | ​ | ​ | ​
Operating leases | ​ | ​ | 11.5 | ​
Finance leases | ​ |  | 12.8 | ​
Weighted-average discount rate: | ​ | ​ | ​ | ​
Operating leases | ​ |  | 5.5% | ​
Finance leases | ​ |  | 10.5% | ​
​ | ​ | ​ | ​ | ​
Schedule of cash outflows by lease type | ​
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​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended March 31,
Cash paid for amounts included in the measurement of lease liabilities |  | 2024 |  | 2023
​ | ​ | (in thousands)
Operating cash outflows from operating leases | ​ | $ | 2,596 | ​ | $ | 2,244
Operating cash outflows from finance leases | ​ |  | 1,197 | ​ |  | 1,231
Financing cash outflows from finance leases | ​ |  | 357 | ​ |  | 289
Operating lease assets obtained in exchange for operating lease liabilities | ​ |  | 632 | ​ |  | 757
Finance lease assets obtained in exchange for new finance lease liabilities | ​ |  | — | ​ |  | —
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