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Leases | 6 Months Ended
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Jun. 30, 2021
Leases [Abstract] |
Leases | LEASES All of our leases are operating leases and each contain customary rent escalation clauses. Certain of the leases have both lease and non-lease components. We have elected to account for each separate lease component and the non-lease components associated with that lease component as a single lease component for all classes of underlying assets. During the six months ended June 30, 2021, we entered into an amendment to the lease for our Fremont, California facility that extended the term of the lease to March 2025. The office space consists of 72,500 square feet with the lease terminating in September 2025. We increased the right-of-use asset and lease liability by $11.9 million for the Fremont lease upon commencement of the amendment. During the six months ended June 30, 2021, we recorded a right-of-use operating lease asset for a new facility in Waltham, Massachusetts under a lease agreement entered into during December 2020 with lease commencement dates during April and May 2021. The office space consists of 12,864 square feet with the lease terminating in June 2026. We have an option to extend the lease term for one additional five year period. This option to extend the lease term has not been included in the calculation since currently the exercise of the option is uncertain and therefore deemed not probable. We recorded a $1.6 million right-of-use asset and lease liability for the Waltham lease upon commencement of the lease. The following table provides additional details of our facility leases presented in the condensed balance sheet as of June 30, 2021 (dollars in thousands):
Facilities |
Right-of-use assets | $ | 14,519
Current portion of lease liabilities | 3,184
Operating lease liability, net of current portion | 11,548
Total | $ | 14,732
Weighted-average remaining life (years) | 3.90
Weighted-average discount rate | 6.87 | %
Lease costs, which are included in operating expenses in our statements of operations, were as follows (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Operating lease expense | $ | 837 |  |  | $ | 648 |  |  | $ | 1,510 |  |  | $ | 1,296 |
Cash paid for operating leases | $ | 766 |  |  | $ | 761 |  |  | $ | 1,554 |  |  | $ | 1,521 |
The following table summarizes our undiscounted cash payment obligations for our operating lease liabilities as of June 30, 2021 (in thousands):
Remainder of 2021 | $ | 1,978 |
2022 | 4,292 |
2023 | 4,440 |
2024 | 4,589 |
2025 | 1,321 |
Thereafter | 252 |
Total undiscounted operating lease payments | 16,872 |
Imputed interest expenses | (2,140) |
Total operating lease liabilities | 14,732 |
Less: Current portion of operating lease liability | (3,184) |
Operating lease liability, net of current portion | $ | 11,548 |

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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