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Equity Compensation Plans - Schedule of Unrecognized Compensation Cost (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized compensation cost at beginning of period | $ 40,188 |
Equity grants | 22,311 |
Performance-based valuation adjustment | (4,553) |
Equity grant forfeitures | (1,834) |
Equity compensation expense | (18,507) |
Unrecognized Compensation Cost at End of Period | 37,605 | $ 40,188
Restricted Stock Units |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized Compensation Cost at End of Period | 3,000 |
Deferred Stock Units |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized Compensation Cost at End of Period | 19,000 |
Performance Stock Units |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized Compensation Cost at End of Period | 16,000 |
Redwood Incentive Plan | Restricted Stock Units |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized compensation cost at beginning of period | 5,068 |
Equity grants | 2,167 |
Performance-based valuation adjustment | 0 |
Equity grant forfeitures | (1,115) |
Equity compensation expense | (2,954) |
Unrecognized Compensation Cost at End of Period | 3,166 | 5,068
Redwood Incentive Plan | Deferred Stock Units |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized compensation cost at beginning of period | 19,849 |
Equity grants | 11,107 |
Performance-based valuation adjustment | 0 |
Equity grant forfeitures | (719) |
Equity compensation expense | (11,317) |
Unrecognized Compensation Cost at End of Period | 18,920 | 19,849
Redwood Incentive Plan | Performance Stock Units |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized compensation cost at beginning of period | 15,271 |
Equity grants | 8,755 |
Performance-based valuation adjustment | (4,553) | (3,000)
Equity grant forfeitures | 0 |
Equity compensation expense | (3,954) |
Unrecognized Compensation Cost at End of Period | 15,519 | 15,271
Employee Stock Purchase Plan |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward] |  |
Unrecognized compensation cost at beginning of period | 0 |
Equity grants | 282 |
Performance-based valuation adjustment | 0 |
Equity grant forfeitures | 0 |
Equity compensation expense | (282) |
Unrecognized Compensation Cost at End of Period | $ 0 | $ 0

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- Definition Represents the amount of equity grant forfeitures during the period. + References No definition available. + Details
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- Definition Amount of cost capitalized for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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