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Leases | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Leases | Leases The Company leases its facilities under non-cancelable operating leases with various expiration dates. Leases may contain escalating payments. Restricted cash that is not available for use in operations consists of collateral for standby letters of credit related to the Company’s office lease facilities. Restricted cash balances related to lease obligations as of December 31, 2021 and 2020 were $5.0 million and $5.2 million, respectively. The Company’s total operating lease costs were $6.3 million and $5.6 million for the years ended December 31, 2021 and 2020, respectively. The Company’s total operating lease costs include variable costs in the amount of $1.7 million and $2.0 million for the years ended December 31, 2021 and 2020, respectively. Variable lease costs are primarily comprised of maintenance costs and are determined based on the actual costs incurred during the period. Variable lease payments are expensed in the period incurred and not included in the measurement of lease assets and liabilities. The Company’s total operating lease costs also include short-term lease costs in the amount of $0.2 million for the years ended December 31, 2021 and 2020. Rent expense was $3.6 million for the year December 31, 2019. The Company’s sublease income for the year ended December 31, 2021 was not material. The Company’s sublease income for the years ended December 31, 2020 and 2019 was $0.7 million and $0.9 million, respectively, which is recorded within other income (expense), net, on the consolidated statements of operations and comprehensive loss. As of December 31, 2021 and 2020, the weighted average remaining operating lease term was 4.3 years and 5.1 years, respectively. The weighted average discount rate used to estimate operating lease liabilities for leases that existed as of December 31, 2021 and 2020 was 7.3% and 6.6%, respectively. Cash paid for amounts included in the measurement of operating lease liabilities was $4.5 million and $3.6 million for the years ended December 31, 2021 and 2020, respectively. As of December 31, 2021, maturities of operating lease liabilities were as follows:
Year ending December 31, |  | (In thousands)
2022 |  | $ | 4,780 |
2023 |  | 5,370 |
2024 |  | 5,214 |
2025 |  | 3,748 |
2026 |  | 1,055 |
Thereafter |  | 1,572 |
Total lease payments |  | 21,739 |
Less: imputed interest |  | (3,276) |
Total operating lease liabilities |  | $ | 18,463 |

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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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