Certain Loans Acquired In Transfer Not Accounted for As Debt Securities Tax Basis

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Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Repurchases

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- Definition

Mortgage Loans On Real Estate, Amortization (Discount) Accretion, Net

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- Definition

Mortgage Loans On Real Estate, Provision For Loan Loss

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Mortgage Loans On Real Estate, Transfer To REO

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Amount of decrease in 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, from collection of principal.

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Interest rate of mortgage loan 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.

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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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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.

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Amount of principal due on delinquent mortgage loan 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.

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Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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

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Amount of increase in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from new investment.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Schedule IV - Mortgage Loans on Real Estate (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for credit loss	$ 39,447	$ 86,833	$ 44,102	$ 54,261	$ 63,244	$ 106,246	$ 136,589	$ 218,011	$ 3,025
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Premium amortization/discount accretion, net	14,273
Carrying value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for credit loss	$ 39,400
Residential whole loans, at fair value \| Carrying value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number \| loan	24,095
Balance Sheet Reported Amount	$ 7,952,438
Principal Amount of Loans Subject to Delinquent Principal or Interest	800,143
Tax basis of loans	5,200,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Residential whole loans, at fair value, beginning balance	5,325,401
Purchases	4,591,645
Changes in fair value recorded in Net gain on residential whole loans measured at fair value through earnings	16,243
Repayments	(1,999,022)
Provision for loan loss	47,386
Loan sales and repurchases	(7,310)
Transfer to REO	(75,616)
Residential whole loans, at fair value, ending balance	$ 7,913,000	$ 5,325,401
Original loan balance $0 - $149,999 \| Residential whole loans, at fair value \| Carrying value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number \| loan	6,872
Balance Sheet Reported Amount	$ 601,637
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 80,808
Original loan balance $0 - $149,999 \| Residential whole loans, at fair value \| Carrying value \| Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	0.00%
Original loan balance $0 - $149,999 \| Residential whole loans, at fair value \| Carrying value \| Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	16.00%
Original loan balance $150,000 - $299,999 \| Residential whole loans, at fair value \| Carrying value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number \| loan	7,875
Balance Sheet Reported Amount	$ 1,534,048
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 183,576
Original loan balance $150,000 - $299,999 \| Residential whole loans, at fair value \| Carrying value \| Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	0.00%
Original loan balance $150,000 - $299,999 \| Residential whole loans, at fair value \| Carrying value \| Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	13.49%
Original loan balance $300,000 - $449,999 \| Residential whole loans, at fair value \| Carrying value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number \| loan	4,184
Balance Sheet Reported Amount	$ 1,408,772
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 173,855
Original loan balance $300,000 - $449,999 \| Residential whole loans, at fair value \| Carrying value \| Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	0.00%
Original loan balance $300,000 - $449,999 \| Residential whole loans, at fair value \| Carrying value \| Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	11.65%
Original loan balance greater than $449,999 \| Residential whole loans, at fair value \| Carrying value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number \| loan	5,164
Balance Sheet Reported Amount	$ 4,407,981
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 361,904
Original loan balance greater than $449,999 \| Residential whole loans, at fair value \| Carrying value \| Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	0.25%
Original loan balance greater than $449,999 \| Residential whole loans, at fair value \| Carrying value \| Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.20%