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Leases | 6 Months Ended
--- | ---
Jun. 30, 2021
Leases |
Leases | Note 8—Leases We have an operating lease for our office and laboratory facilities with an initial term that ends in 2027 with two options to extend the lease term by five years. We carry various finance leases for laboratory equipment. Supplemental lease information is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three Months Ended | ​ | Six Months Ended
​ | June 30, | ​ | June 30,
​ | 2021 | ​ | 2020 | ​ | 2021 |  | 2020
​ | (In thousands) | ​ | (In thousands)
Lease cost | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  |  | ​ |
Operating lease cost | $ | 1,984 | ​ | $ | 1,551 | ​ | $ | 3,567 | ​ | $ | 3,024
Finance lease cost: |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  |
Amortization |  | 288 | ​ |  | 345 | ​ |  | 611 | ​ |  | 703
Interest |  | 40 | ​ |  | 70 | ​ |  | 89 | ​ |  | 159
Variable lease cost |  | 992 | ​ |  | 565 | ​ |  | 1,804 | ​ |  | 1,102
Sublease income |  | (423) | ​ |  | (309) | ​ |  | (841) | ​ |  | (602)
Net lease cost | $ | 2,881 | ​ | $ | 2,222 | ​ | $ | 5,230 | ​ | $ | 4,386
​ Cash paid for amounts included in the measurement of lease liabilities is as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | Six Months Ended
​ | June 30,
​ | 2021 |  | 2020
​ | (In thousands)
Cash payments for operating leases | $ | 3,817 | ​ | $ | 4,284
Cash payments for financing leases | $ | 665 |  | $ | 689
​

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- Definition The entire disclosure of information about leases. + References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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