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Lease Liabilities | 12 Months Ended
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Dec. 31, 2020
Lease Liabilities |
Lease liabilities | Note 9—Lease Liabilities We have operating leases related to our office and laboratory space. The initial term of the leases is through November 2027 and we have two options to extend the lease term, each by five years. We have finance leases for certain laboratory and office equipment that have lease terms expiring through December 2024. Lease-related assets and liabilities recorded on the balance sheet are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | December 31, | ​
​ | 2020 |  | 2019 | ​
​ | (In thousands) | ​
Assets | ​ | ​ | ​ | ​ | ​ | ​
Operating lease assets | $ | 25,526 |  | $ | 27,082 | ​
Finance lease assets, net |  | 1,822 | ​ |  | 2,973 | ​
Total lease assets | $ | 27,348 |  | $ | 30,055 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​
Current: | ​ | ​ | ​ | ​ | ​ | ​
Operating leases | $ | 2,740 |  | $ | 2,282 | ​
Finance leases |  | 1,042 | ​ |  | 1,222 | ​
Non-current: | ​ | ​ | ​ | ​ | ​ | ​
Operating leases |  | 28,032 | ​ |  | 30,772 | ​
Finance leases |  | 738 | ​ |  | 1,546 | ​
Total lease liabilities | $ | 32,552 |  | $ | 35,822 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average remaining lease term | ​ | ​ | ​ | ​ | ​ | ​
Operating leases |  | 6.8 years | ​ |  | 7.8 years | ​
Finance leases |  | 1.9 years | ​ |  | 2.5 years | ​
Weighted-average discount rate | ​ | ​ | ​ | ​ | ​ | ​
Operating leases |  | 12.85 | % |  | 12.85 | %
Finance leases |  | 11.85 | % |  | 12.17 | %
​ The components of total lease costs are as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | Year Ended December 31,
​ | 2020 |  | 2019
​ | (In thousands)
Lease cost | ​ |  |  | ​ |
Operating lease cost | $ | 6,055 | ​ | $ | 4,604
Finance lease cost: |  | ​ | ​ |  |
Amortization |  | 1,367 | ​ |  | 1,340
Interest |  | 295 | ​ |  | 337
Variable lease cost |  | 2,893 | ​ |  | 2,320
Sublease income |  | (1,300) | ​ |  | (913)
Net lease cost | $ | 9,310 | ​ | $ | 7,688
​ The supplemental cash flow information related to leases during 2020 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | Year Ended December 31,
​ | 2020 |  | 2019
​ | (In thousands)
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ | ​ | ​ | ​
Operating cash flows used for operating leases | $ | 10,103 | ​ | $ | 6,951
Operating cash flows used for finance leases | $ | 295 |  | $ | 337
Financing cash flows used for finance leases | $ | 1,195 |  | $ | 1,139
​ The future maturities of our lease liabilities as of December 31, 2020 are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Operating | ​ | Finance
​ |  | Leases |  | Leases
​ | ​ | (In thousands)
2021 | ​ | $ | 6,536 | ​ | $ | 1,205
2022 | ​ |  | 6,678 | ​ |  | 603
2023 | ​ |  | 6,823 | ​ |  | 168
2024 | ​ |  | 6,972 | ​ |  | 30
2025 | ​ |  | 6,998 | ​ |  | —
Thereafter | ​ |  | 12,593 | ​ |  | —
Total undiscounted lease payments | ​ | ​ | 46,600 | ​ | ​ | 2,006
Less interest | ​ | ​ | (15,828) | ​ | ​ | (226)
Total lease liabilities | ​ | $ | 30,772 | ​ | $ | 1,780
​ As of December 31, 2020, we have committed to additional leased space in the building located at 201 Elliott Avenue West, Seattle, Washington (the “Omeros Building”) that will commence in February 2021. The lease terms are consistent with our existing leases in The Omeros Building, and the monthly lease payments are approximately $0.1 million.

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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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