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Leases (Tables) | 6 Months Ended
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Jun. 30, 2021
Leases [Abstract] |
Summary of Additional Details of Leases | 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 | %
Summary of Lease Costs | 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 |
Summary of Undiscounted Cash Payment Obligations for Operating Lease Liabilities | 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 Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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