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Leases (Tables) | 6 Months Ended
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Jun. 30, 2026
Leases |
Schedule of operating and finance lease right-of-use assets and related lease obligations |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | June 30, | ​ | December 31, | ​
Leases | Classification | ​ | 2026 | ​ | 2025 | ​
Assets | ​ | ​ | (in thousands) | ​
Operating leases | Operating lease assets | ​ ​ ​ | $ | 27,568 | ​ | $ | 28,927 |
Finance lease | Finance lease assets* | ​ | ​ | 13,516 | ​ | ​ | 14,154 | ​
Total leased assets | ​ | ​ | $ | 41,084 | ​ | $ | 43,081 | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | Other current liabilities | ​ | $ | 4,664 | ​ | $ | 4,859 | ​
Finance | Current portion of finance lease obligation | ​ | ​ | 1,722 | ​ | ​ | 1,575 | ​
Non-current | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | Other long-term liabilities | ​ | ​ | 23,578 | ​ | ​ | 24,613 | ​
Finance | Finance lease obligation | ​ | ​ | 39,845 | ​ | ​ | 40,754 | ​
Total lease liabilities | ​ | ​ | $ | 69,809 | ​ | $ | 71,801 | ​
​ *As of June 30, 2026, finance lease assets are recorded net of accumulated depreciation of $48.0 million and include $0.5 million of prepaid financing costs. As of December 31, 2025, finance lease assets are recorded net of accumulated depreciation of $47.7 million and include $0.5 million of prepaid financing costs.
Schedule of lease costs | ​
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​ | ​ | ​ | Three months ended | ​ | Six months ended | ​
​ | ​ | ​ | June 30, | ​ | June 30, | ​
Lease cost | Classification | ​ ​ ​ | 2026 | ​ | 2025 | ​ ​ ​ | 2026 | ​ ​ ​ | 2025 | ​
Operating lease cost | ​ | ​ | (in thousands) | ​
Product / services* | Cost of revenue | ​ | $ | 1,555 | ​ | $ | 1,606 | ​ | $ | 3,239 | ​ | $ | 3,280 |
Research and development | Operating expenses | ​ |  | 113 | ​ |  | 149 | ​ |  | 393 | ​ |  | 368 | ​
Sales and marketing* | Operating expenses | ​ |  | 500 | ​ |  | 450 | ​ |  | 1,035 | ​ |  | 894 | ​
General and administrative* | Operating expenses | ​ |  | 155 | ​ |  | 212 | ​ |  | 432 | ​ |  | 538 | ​
Total operating lease cost | ​ | ​ | $ | 2,323 | ​ | $ | 2,417 | ​ | $ | 5,099 | ​ | $ | 5,080 | ​
Finance lease cost | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Depreciation of leased assets | Cost of revenue, Research and development, Sales and marketing and General and administrative | ​ | $ | 319 | ​ | $ | 321 | ​ | $ | 638 | ​ | $ | 643 | ​
Interest on lease liabilities | Interest expense | ​ |  | 1,110 | ​ |  | 1,148 | ​ |  | 2,231 | ​ |  | 2,304 | ​
Total finance lease cost | ​ | ​ | $ | 1,429 | ​ | $ | 1,469 | ​ | $ | 2,869 | ​ | $ | 2,947 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total lease cost | ​ | ​ | $ | 3,752 | ​ | $ | 3,886 | ​ | $ | 7,968 | ​ | $ | 8,027 | ​
​ * Product / services, sales and marketing and general and administrative expense also includes short-term lease and variable lease costs of approximately $0.3 million and $1.0 million for the three and six months ended June 30, 2026, respectively, and includes short-term lease and variable lease costs of approximately $0.4 million and $1.0 million for the three and six months ended June 30, 2025, respectively.
Schedule of future minimum operating and finance leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Finance | ​ | Operating | ​ ​ ​ | Total |
Maturity of Lease Liabilities | ​ | Leases | ​ | Leases | ​ | Leases | ​
​ | ​ | (in thousands) | ​
2026 | ​ | $ | 3,009 | ​ | $ | 3,302 | ​ | $ | 6,311 | ​
2027 | ​ |  | 6,128 | ​ |  | 4,990 | ​ |  | 11,118 | ​
2028 | ​ |  | 6,251 | ​ |  | 3,551 | ​ |  | 9,802 | ​
2029 | ​ |  | 6,376 | ​ |  | 2,745 | ​ |  | 9,121 | ​
2030 | ​ | ​ | 6,503 | ​ | ​ | 2,679 | ​ | ​ | 9,182 | ​
Thereafter | ​ | ​ | 42,456 | ​ | ​ | 20,219 | ​ | ​ | 62,675 | ​
Total lease payments | ​ | $ | 70,723 | ​ | $ | 37,486 | ​ | $ | 108,209 | ​
Less interest portion* | ​ | ​ | (29,156) | ​ | ​ | (9,244) | ​ | ​ | (38,400) | ​
Finance lease and operating lease obligations | ​ | $ | 41,567 | ​ | $ | 28,242 | ​ | $ | 69,809 | ​
​ * 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 | ​ ​ ​ | 2026 | ​
Weighted average remaining lease term (years): | ​ | ​ | ​ | ​
Operating leases | ​ | ​ | 10.1 | ​
Finance leases | ​ |  | 10.6 | ​
Weighted average discount rate: | ​ | ​ | ​ | ​
Operating leases | ​ |  | 5.3% | ​
Finance leases | ​ |  | 10.5% | ​
Schedule of cash outflows by lease type | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
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​ | ​ | Six months ended June 30,
Cash paid for amounts included in the measurement of lease liabilities | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
​ | ​ | (in thousands)
Operating cash outflows from operating leases | ​ | $ | 5,099 | ​ | $ | 5,080
Operating cash outflows from finance leases | ​ |  | 2,231 | ​ |  | 2,304
Financing cash outflows from finance leases | ​ |  | 768 | ​ |  | 676
Operating lease assets obtained in exchange for operating lease liabilities | ​ |  | 1,587 | ​ |  | 1,411
Finance lease assets obtained in exchange for new finance lease liabilities | ​ |  | — | ​ |  | —
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