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Residential Whole Loans - Interest Income Components (Details) - Residential whole loans - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | $ 303,468 | $ 332,212 | $ 358,161
Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 182,597 | 222,526 | 200,634
Nonperforming Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 80,741 | 73,448 | 114,181
Non-QM loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 96,948 | 136,527 | 116,282
Rehabilitation loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 33,129 | 49,484 | 54,419
Single-family rental loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 34,169 | 27,722 | 17,742
Seasoned performing loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 6,684 | 8,793 | 12,191
Agency eligible investor loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 11,667 | 0 | 0
Purchased Credit Deteriorated Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 40,130 | 36,238 | 43,346
Held at Carrying Value |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 169,618 | 258,764 | 243,980
Held at Carrying Value | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 129,488 | 222,526 | 200,634
Held at Carrying Value | Nonperforming Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 0 | 0 | 0
Held at Carrying Value | Non-QM loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 75,517 | 136,527 | 116,282
Held at Carrying Value | Rehabilitation loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 22,424 | 49,484 | 54,419
Held at Carrying Value | Single-family rental loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 24,863 | 27,722 | 17,742
Held at Carrying Value | Seasoned performing loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 6,684 | 8,793 | 12,191
Held at Carrying Value | Agency eligible investor loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 0 | 0 | 0
Held at Carrying Value | Purchased Credit Deteriorated Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 40,130 | 36,238 | 43,346
Held at Fair Value |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 133,850 | 73,448 | 114,181
Held at Fair Value | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 53,109 | 0 | 0
Held at Fair Value | Nonperforming Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 80,741 | 73,448 | 114,181
Held at Fair Value | Non-QM loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 21,431 | 0 | 0
Held at Fair Value | Rehabilitation loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 10,705 | 0 | 0
Held at Fair Value | Single-family rental loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 9,306 | 0 | 0
Held at Fair Value | Seasoned performing loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 0 | 0 | 0
Held at Fair Value | Agency eligible investor loans | Performing Financial Instruments |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | 11,667 | 0 | 0
Held at Fair Value | Purchased Credit Deteriorated Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income | $ 0 | $ 0 | $ 0

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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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