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Residential Whole Loans - Interest Income Components (Details) - Residential whole loans, total or weighted average - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | $ 119,510 | $ 99,466
Purchased Credit Deteriorated Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 7,138 | 9,009
Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 97,576 | 69,731
Performing | Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 44,089 | 32,952
Performing | Transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 28,227 | 14,861
Performing | Single-family rental loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 21,313 | 13,325
Performing | Seasoned performing loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 1,090 | 1,010
Performing | Agency eligible investor loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 2,857 | 7,583
Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 14,796 | 20,726
Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 24,499 | 31,420
Carrying Value | Purchased Credit Deteriorated Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 7,138 | 9,009
Carrying Value | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 17,361 | 22,411
Carrying Value | Performing | Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 12,674 | 13,141
Carrying Value | Performing | Transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 620 | 3,567
Carrying Value | Performing | Single-family rental loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 2,977 | 4,693
Carrying Value | Performing | Seasoned performing loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 1,090 | 1,010
Carrying Value | Performing | Agency eligible investor loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 0 | 0
Carrying Value | Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 0 | 0
Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 95,011 | 68,046
Fair Value | Purchased Credit Deteriorated Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 0 | 0
Fair Value | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 80,215 | 47,320
Fair Value | Performing | Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 31,415 | 19,811
Fair Value | Performing | Transitional loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 27,607 | 11,294
Fair Value | Performing | Single-family rental loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 18,336 | 8,632
Fair Value | Performing | Seasoned performing loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 0 | 0
Fair Value | Performing | Agency eligible investor loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | 2,857 | 7,583
Fair Value | Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Interest income | $ 14,796 | $ 20,726

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- Definition 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. + References No definition available. + Details
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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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