Residential Investor Loans - Schedule of Residential Investor Loans Collateral/Strategy Type (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) unit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of units for light to moderate renovation | unit	20
Residential Term, Single Family Rental | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	$ 100,411
Residential Term, Multifamily | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	77,207
Term Loans, Single Family Rental | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	2,042,803
Term Loans, Multifamily | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	596,682
Residential Bridge Renovate Build For Rent | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	432,363
Bridge Loans, Renovate Build For Rent | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	377,947
Residential Bridge Single Asset Bridge | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	78,631
Bridge Loans, Single Asset Bridge | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	283,186
Residential Bridge Multifamily | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	648,972
Bridge Loans, Multifamily | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	148,096
Residential Bridge Third Party Originated | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	6,247
Bridge Loans, Third Party Originated | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	1,056
Residential Term Loans | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	177,618
Term Loans | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	2,639,485
Residential investor bridge loans, at fair value | HEI at Redwood
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	1,166,213
Bridge Loans | CoreVest
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value of loans	$ 810,285