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Residential Mortgage Securities and MSR-Related Assets (Interest Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Interest income | $ 2,329 | $ 60,639 | $ 51,678 | $ 211,676
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Coupon interest | 0 | 18,994 | 14,038 | 66,560
Effective yield adjustment | 0 | (7,188) | (5,186) | (21,039)
Interest income | 0 | 11,806 | 8,852 | 45,521
Legacy Non-Agency MBS |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Coupon interest | 42 | 21,011 | 18,222 | 68,144
Effective yield adjustment | 6 | 10,336 | 10,564 | 38,003
Interest income | 48 | 31,347 | 28,786 | 106,147
Accretion Income |  |  |  | 3,100
RPL/NPL MBS |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Coupon interest | 811 | 13,227 | 7,622 | 44,305
Effective yield adjustment | 94 | 8 | 449 | 158
Interest income | 905 | 13,235 | 8,071 | 44,463
Accretion Income |  | 4 | 277 | 152
CRT securities |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Coupon interest | 956 | 5,174 | 6,063 | 16,769
Effective yield adjustment | 420 | (923) | (94) | (1,224)
Interest income | 1,376 | 4,251 | 5,969 | 15,545
MSR-related assets |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Coupon interest | 2,991 | 15,273 | 23,332 | 38,230
Effective yield adjustment | 3,250 | 1 | 6,857 | 2
Interest income | $ 6,241 | $ 15,274 | $ 30,189 | $ 38,232

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- Definition Accretion Income + References No definition available. + Details
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- Definition Represents the coupon interest income derived from securities backed by a pool of mortgages or trust deeds. + References No definition available. + Details
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- Definition Represents the following effective yield adjustments pertaining to mortgage backed securities. (1) For Agency MBS, this reflects net premium amortization and discount accretion based on actual prepayment activity. (2) For Non-Agency MBS, this is the difference between the net income calculated using the net yield, which is based on management's estimates of future cash flows, less the current coupon yield. + References No definition available. + Details
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- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on securitized, pass-through debt securities collateralized by real estate mortgage loans. + 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 210.9-04.2) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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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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