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Leases (Tables) | 9 Months Ended
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Sep. 30, 2023
Leases |
Schedule of operating and finance lease right-of-use assets and related lease obligations | ​
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​ | ​ | ​ | September 30, | ​ | December 31, | ​ | ​ | ​
Leases | Classification | ​ | 2023 |  | 2022 |  |  | ​
Assets | ​ | ​ | (in thousands) | ​ |  | ​
Operating leases | Operating lease assets | ​ | $ | 31,082 | ​ | $ | 12,146 | ​ | ​ | ​
Finance lease | Finance lease assets* | ​ |  | 16,981 | ​ |  | 17,942 | ​ | ​ | ​
Total leased assets | ​ | ​ | $ | 48,063 | ​ | $ | 30,088 | ​ | ​ | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | Other current liabilities | ​ | $ | 5,001 | ​ | $ | 5,367 | ​ | ​ | ​
Finance | Current portion of finance lease obligation | ​ | ​ | 1,438 | ​ | ​ | 1,229 | ​ | ​ | ​
Non-current | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | Other long-term liabilities | ​ | ​ | 25,850 | ​ | ​ | 6,931 | ​ | ​ | ​
Finance | Finance lease obligation | ​ |  | 44,070 | ​ |  | 45,185 | ​ | ​ | ​
Total lease liabilities | ​ | ​ | $ | 76,359 | ​ | $ | 58,712 | ​ | ​ | ​
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*Finance lease assets are recorded net of accumulated depreciation of $46.7 million and include $0.6 million of prepaid financing costs as of September 30, 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 | ​
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​ | ​ | ​ | Three months ended | ​ | Nine months ended |  | ​
​ | ​ | ​ | September 30, | ​ | September 30, | ​ | ​
Lease cost | Classification | ​ | 2023 |  | 2022 |  | 2023 |  | 2022 |  | ​
Operating lease cost | ​ | ​ | (in thousands) |  | ​
Product / services* | Cost of revenue | ​ | $ | 2,041 | ​ | $ | 1,462 | ​ | $ | 5,328 | ​ | $ | 3,978 | ​ | ​
Research and development | Operating expenses | ​ |  | 183 | ​ |  | 54 | ​ |  | 426 | ​ |  | 186 | ​ | ​
Sales and marketing* | Operating expenses | ​ |  | 419 | ​ |  | 369 | ​ |  | 1,231 | ​ |  | 1,155 | ​ | ​
General and administrative* | Operating expenses | ​ |  | 298 | ​ |  | 253 | ​ |  | 813 | ​ |  | 773 | ​ | ​
Total operating lease cost | ​ | ​ | $ | 2,941 | ​ | $ | 2,138 | ​ | $ | 7,798 | ​ | $ | 6,092 | ​ | ​
Finance lease cost | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Depreciation of leased assets | Cost of revenue, Research and development, Sales and marketing and General and administrative | ​ | $ | 324 | ​ | $ | 325 | ​ | $ | 961 | ​ | $ | 973 | ​ | ​
Interest on lease liabilities | Interest expense | ​ |  | 1,214 | ​ |  | 1,245 | ​ |  | 3,668 | ​ |  | 3,754 | ​ | ​
Total finance lease cost | ​ | ​ | $ | 1,538 | ​ | $ | 1,570 | ​ | $ | 4,629 | ​ | $ | 4,727 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total lease cost | ​ | ​ | $ | 4,479 | ​ | $ | 3,708 | ​ | $ | 12,427 | ​ | $ | 10,819 | ​ | ​
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* 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 $1.6 million for the three and nine months ended September 30, 2023, respectively, and includes short-term lease and variable lease costs of approximately $0.4 million and $1.4 million for the three and nine months ended September 30, 2022, respectively. | ​ | ​
Schedule of future minimum operating and finance leases | ​
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​ | ​ | Finance | ​ | Operating |  | Total |
Maturity of Lease Liabilities | ​ | Leases | ​ | Leases | ​ | Leases | ​
​ | ​ | (in thousands) | ​
2023 | ​ | $ | 1,531 | ​ | $ | 2,117 | ​ | $ | 3,648 | ​
2024 | ​ |  | 6,252 | ​ |  | 6,248 | ​ |  | 12,500 | ​
2025 | ​ |  | 5,930 | ​ |  | 4,761 | ​ |  | 10,691 | ​
2026 | ​ |  | 6,008 | ​ |  | 3,471 | ​ |  | 9,479 | ​
2027 | ​ | ​ | 6,128 | ​ | ​ | 2,502 | ​ | ​ | 8,630 | ​
Thereafter | ​ | ​ | 61,586 | ​ | ​ | 25,123 | ​ | ​ | 86,709 | ​
Total lease payments | ​ | $ | 87,435 | ​ | $ | 44,222 | ​ | $ | 131,657 | ​
Less interest portion* | ​ | ​ | (41,927) | ​ | ​ | (13,371) | ​ | ​ | (55,298) | ​
Finance lease and operating lease obligations | ​ | $ | 45,508 | ​ | $ | 30,851 | ​ | $ | 76,359 | ​
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* 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 | ​
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​ | ​ | September 30, | ​
Lease term and discount rate |  | 2023 | ​
Weighted-average remaining lease term (years): | ​ | ​ | ​ | ​
Operating leases | ​ | ​ | 11.6 | ​
Finance leases | ​ |  | 13.3 | ​
Weighted-average discount rate: | ​ | ​ | ​ | ​
Operating leases | ​ |  | 5.5% | ​
Finance leases | ​ |  | 10.5% | ​
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Schedule of cash outflows by lease type | ​
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​ | ​ | Nine months ended September 30, | ​
Cash paid for amounts included in the measurement of lease liabilities |  | 2023 |  | 2022 | ​
​ | ​ | (in thousands) | ​
Operating cash outflows from operating leases | ​ | $ | 7,798 | ​ | $ | 6,092 | ​
Operating cash outflows from finance leases | ​ |  | 3,668 | ​ |  | 3,754 | ​
Financing cash outflows from finance leases | ​ |  | 915 | ​ |  | 728 | ​
Operating lease assets obtained in exchange for operating lease liabilities | ​ |  | 25,697 | ​ |  | 5,494 | ​
Finance lease assets obtained in exchange for new finance lease liabilities | ​ |  | — | ​ |  | — | ​
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