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Stock-based Compensation - Award Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Exercisable and Expected to Vest |  |  |
Options exercisable (in shares) | 2,840,000 |  |
Options vested and expected to vest (in shares) | 8,508,000 |  |
Options exercisable (in dollars per share) | $ 8.05 |  |
Options vested and expected to vest (in dollars per share) | $ 5.27 |  |
Weighted average remaining contractual terms, exercisable options | 4 years 6 months |  |
Weighted average remaining contractual terms, vested and expected to vest options | 6 years 2 months 12 days |  |
Aggregate intrinsic value, exercisable options | $ 402 |  |
Aggregate intrinsic value, options vested and expected to vest | $ 7,724 |  |
RSAs |  |  |
Number of Shares |  |  |
Non-vested, beginning of period (in shares) | 325,000 | 181,000 | 80,000
Granted (in shares) | 211,000 | 277,000 | 159,000
Vested (in shares) | (302,000) | (133,000) | (58,000)
Non-vested, end of period (in shares) | 234,000 | 325,000 | 181,000
Weighted Average Grant Date Fair Value Per Share |  |  |
Non-vested, beginning of period (in dollars per share) | $ 3.48 | $ 8.45 | $ 17.53
Granted (in dollars per share) | 3.32 | 2.89 | 7.53
Vested (in dollars per share) | 3.31 | 9.04 | 18.42
Non-vested, end of period (in dollars per share) | $ 3.56 | $ 3.48 | $ 8.45
RSUs |  |  |
Number of Shares |  |  |
Non-vested, beginning of period (in shares) | 1,020,000 | 518,000 | 232,000
Granted (in shares) | 1,530,000 | 1,049,000 | 518,000
Vested (in shares) | (383,000) | (204,000) | (106,000)
Forfeited/Expired (in shares) | (157,000) | (343,000) | (126,000)
Non-vested, end of period (in shares) | 2,010,000 | 1,020,000 | 518,000
Weighted Average Grant Date Fair Value Per Share |  |  |
Non-vested, beginning of period (in dollars per share) | $ 7.66 | $ 18.15 | $ 21.83
Granted (in dollars per share) | 3.08 | 5.24 | 17.46
Vested (in dollars per share) | 8.96 | 18.42 | 21.21
Forfeited/Expired (in dollars per share) | 4.66 | 9.71 | 19.55
Non-vested, end of period (in dollars per share) | $ 4.16 | $ 7.66 | $ 18.15
PSUs |  |  |
Number of Shares |  |  |
Non-vested, beginning of period (in shares) | 292,000 | 667,000 | 128,000
Granted (in shares) |  |  | 686,000
Vested (in shares) | (248,000) | (315,000) | (107,000)
Forfeited/Expired (in shares) | (44,000) | (75,000) | (40,000)
Other (in shares) |  | 15,000 |
Non-vested, end of period (in shares) | 0 | 292,000 | 667,000
Weighted Average Grant Date Fair Value Per Share |  |  |
Non-vested, beginning of period (in dollars per share) | $ 7.69 | $ 9.41 | $ 21.24
Granted (in dollars per share) |  |  | 9.55
Vested (in dollars per share) | 7.69 | 11.02 | 20.52
Forfeited/Expired (in dollars per share) | 7.69 | 12.49 | 19.93
Other (in dollars per share) |  | 25.05 |
Non-vested, end of period (in dollars per share) | $ 0 | $ 7.69 | $ 9.41
PBOs |  |  |
Number of Shares |  |  |
Non-vested, beginning of period (in shares) | 1,648,000 | 1,826,000 | 1,840,000
Granted (in shares) | 0 | 0 | 733,000
Forfeited/Expired (in shares) | (73,000) | (178,000) | (747,000)
Non-vested, end of period (in shares) | 1,575,000 | 1,648,000 | 1,826,000
Weighted Average Grant Date Fair Value Per Share |  |  |
Non-vested, beginning of period (in dollars per share) | $ 5.64 | $ 4.70 | $ 4.11
Granted (in dollars per share) |  |  | 9.89
Forfeited/Expired (in dollars per share) | 10.23 | 9.73 | 8.29
Non-vested, end of period (in dollars per share) | $ 5.43 | $ 5.64 | $ 4.70
Exercisable and Expected to Vest |  |  |
Options exercisable (in shares) | 1,575,000 |  |
Options vested and expected to vest (in shares) | 1,575,000 |  |
Options exercisable (in dollars per share) | $ 10.62 |  |
Options vested and expected to vest (in dollars per share) | $ 10.62 |  |
Weighted average remaining contractual terms, exercisable options | 3 years 4 months 24 days |  |
Weighted average remaining contractual terms, vested and expected to vest options | 3 years 4 months 24 days |  |
Aggregate intrinsic value, exercisable options | $ 114 |  |
Aggregate intrinsic value, options vested and expected to vest | $ 114 |  |

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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