Fair Value, Option, Loans Held As Assets, Aggregate Amount In Foreclosure

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Financing Receivable, Contract Maturities

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Financing Receivable, Number Of Loans In Foreclosure

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Financing Receivable, Number Of Loans Past Due

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Financing Receivables, Weighted Average Interest Rate

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Principal Balance of Loans Acquired During Period

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The cash inflow from repayments of the balance excluding interest (principal) on real estate securities.

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- Definition

Real Estate Owned, Held-for-Investment, Original Maturity, Term

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Real Estate Owned, Held-for-Investment, Original Maturity, Variable Rate

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Real Estate Owned, Held-for-Investment, Percent With Original Maturities Of Thirty Years

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Servicing Fees 1

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
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This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

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-SubTopic 10
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- Definition

Amount of realized and unrealized gain (loss) on investment.

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Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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-Publisher FASB
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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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- Definition

The aggregate cash outflow used to purchase all loans that are held with the intention to resell in the near future.

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-Publisher FASB
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This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

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- Definition

Amount of real estate investments acquired through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate.

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-Publisher FASB
-Name Accounting Standards Codification
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Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

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Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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Business Purpose Loans - Activity and Characteristics of Business Purpose Loans (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Purchases of held-for-sale loans		$ 13,188,434	$ 4,431,468	$ 5,823,547
Principal balance of loans sold to third parties		60,667	27,210	84,303
Transfers from loans held-for-sale to loans held-for-investment		5,026,723	1,868,656	1,801,560
Transfers from loans held-for-investment to loans held-for-sale		$ 92,400	64,520	22,808
Amount of investments with original maturities of of 30 years (as a percent)		2.00%
Transfers from residential loans to real estate owned		$ 40,038	14,229	$ 8,609
Transfers to REO		$ 40,038	14,119
LIBOR
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Variable rate (as a percent)		75.00%
Fixed Rate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Variable rate (as a percent)		25.00%
CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Transfers to REO		$ 21,129	$ 6,157
Commitment To Fund Residential Bridge Loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other commitment	$ 625,000	$ 625,000
Single-family rental loans, held-for-sale
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan		245	65
Unpaid principal balance	348,232	$ 348,232	$ 234,475
Single-family rental loans, held-for-sale \| Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Purchases of held-for-sale loans		1,254,913	979,696
Principal balance of loans acquired (1)		68,804	0
Principal balance of loans sold to third parties		193,963	110,836
Transfers from loans held-for-sale to loans held-for-investment		1,116,443	1,292,633
Transfers from loans held-for-investment to loans held-for-sale		92,455	0
Gain (loss) on investments		0	(20,806)
Loans, at fair value	358,309	358,309	245,394
Single-family rental loans, held-for-sale \| Redwood \| Business Purpose Mortgage Banking Activities
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		63,206	81,032
Bridge loans held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Purchases of held-for-sale loans		894,908	451,554
Principal balance of loans acquired (1)		65,315	0
Principal balance of loans sold to third parties		9,484	25,151
Gain (loss) on investments		1,483	$ (10,629)
Number of Loans \| loan			1,725
Unpaid principal balance			$ 649,531
Loans, at fair value	666,364	666,364	641,765
Bridge loans held-for-investment \| Business Purpose Mortgage Banking Activities
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		$ 7,187	(2,916)
Bridge loans held-for-investment \| Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Transfers from loans held-for-sale to loans held-for-investment	358,884
Transfers from loans held-for-investment to loans held-for-sale	0
Bridge loans held-for-investment \| CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan		1,640
Unpaid principal balance	274,617	$ 274,617
Business Purpose Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fee income		34,000	19,000
Loans, at fair value	4,790,989	4,790,989	4,136,353
Single-family rental loans held-for-investment \| Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	0	0	0
Single-family rental loans held-for-investment \| CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		$ (158,081)	$ 32,331
Number of Loans \| loan		1,173	1,094
Unpaid principal balance	3,340,949	$ 3,340,949	$ 3,017,137
Loans, at fair value	$ 3,488,074	$ 3,488,074	$ 3,249,194
Weighted average coupon rate (as a percent)	5.17%	5.17%	5.44%
Contract maturities		6 years	5 years
Loans held as assets, 90 days or more past due	$ 12,648	$ 12,648	$ 24,745
Number of loans in foreclosure \| loan	9	9	10
Single-family rental loans held-for-investment \| CAFL(1) \| Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of loans past due \| loan	18	18	22
Loans held as assets, 90 days or more past due	$ 41,998	$ 41,998	$ 61,440
Bridge Loans Held For Investment At Fair Value \| CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		$ (1,548)	$ 0
Single-Family Rental Loans, Held-For-Sale \| Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan		245	65
Unpaid principal balance	348,232	$ 348,232	$ 234,475
Loans, at fair value	$ 358,309	$ 358,309	$ 245,394
Weighted average coupon rate (as a percent)	4.73%	4.73%	4.84%
Contract maturities		12 years	8 years
Loans held as assets, 90 days or more past due	$ 5,473	$ 5,473	$ 0
Number of loans in foreclosure \| loan	7	7	0
Loans held as assets amount in foreclosure	$ 4,305	$ 4,305	$ 0
Single-Family Rental Loans, Held-For-Sale \| Redwood \| Loans Pledged As Collateral, Short Term Debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		75,873	34,098
Single-Family Rental Loans, Held-For-Sale \| Redwood \| Loans Pledged As Collateral, Long Term debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		244,703	154,774
Single-Family Rental Loans, Held-For-Sale \| Redwood \| Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	$ 4,238	$ 4,238	$ 6,143
Number of loans past due \| loan	6	6	10
Loans held as assets, 90 days or more past due	$ 5,384	$ 5,384	$ 7,127
Business Purpose Bridge Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan		1,134	1,725
Unpaid principal balance	670,392	$ 670,392	$ 649,532
Loans, at fair value	$ 666,364	$ 666,364	$ 641,765
Weighted average coupon rate (as a percent)	6.91%	6.91%	8.09%
Contract maturities		1 year	1 year
Loans held as assets, 90 days or more past due	$ 18,043	$ 18,043	$ 38,552
Number of loans in foreclosure \| loan	28	28	25
Loans held as assets amount in foreclosure	$ 14,257	$ 14,257	$ 33,066
Business Purpose Bridge Loans \| Loans Pledged As Collateral, Short Term Debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		91,814	92,931
Business Purpose Bridge Loans \| Loans Pledged As Collateral, Long Term debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		554,597	544,151
Business Purpose Bridge Loans \| Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	$ 14,218	$ 14,218	$ 33,605
Number of loans past due \| loan	31	31	31
Loans held as assets, 90 days or more past due	$ 18,032	$ 18,032	$ 39,415
Business Purpose Bridge Loans \| CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan		1,640	0
Unpaid principal balance	274,617	$ 274,617	$ 0
Loans, at fair value	$ 278,242	$ 278,242	$ 0
Weighted average coupon rate (as a percent)	7.05%	7.05%	0.00%
Contract maturities		1 year
Loans held as assets, 90 days or more past due	$ 0	$ 0	$ 0
Number of loans in foreclosure \| loan	0	0	0
Loans held as assets amount in foreclosure	$ 0	$ 0	$ 0
Business Purpose Bridge Loans \| CAFL(1) \| Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	$ 0	$ 0	$ 0
Number of loans past due \| loan	0	0	0
Loans held as assets, 90 days or more past due	$ 0	$ 0	$ 0
Bridge Loans \| Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Original maturity (in months)		6 months
Bridge Loans \| Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Original maturity (in months)		24 months