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Equity Compensation Plans - Schedule of Unrecognized Compensation Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	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.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Valuation Adjustment

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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

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- Definition

Amount of cost not yet recognized for nonvested 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 (i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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