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Residential Mortgage Securities and MSR-Related Assets (Tables) | 9 Months Ended
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Sep. 30, 2019
Investments, Debt and Equity Securities [Abstract] |
Schedule of information about MBS and CRT Securities | The following tables present certain information about the Company’s residential mortgage securities at September 30, 2019 and December 31, 2018: September 30, 2019
(In Thousands) |  | Principal/ Current Face |  | Purchase Premiums |  | Accretable Purchase Discounts |  | Discount Designated as Credit Reserve and OTTI (1) |  | Amortized Cost (2) |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Net Unrealized Gain/(Loss) |  | Fair Value
Agency MBS: (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fannie Mae |  | $ | 1,217,508 |  |  | $ | 46,917 |  |  | $ | (23 | ) |  | $ | — |  |  | $ | 1,264,402 |  |  | $ | 10,896 |  |  | $ | (15,282 | ) |  | $ | (4,386 | ) |  | $ | 1,260,016 |
Freddie Mac |  | 526,173 |  |  | 21,303 |  |  | — |  |  | — |  |  | 548,441 |  |  | 5,159 |  |  | (3,990 | ) |  | 1,169 |  |  | 549,610 |
Ginnie Mae |  | 4,118 |  |  | 76 |  |  | — |  |  | — |  |  | 4,194 |  |  | 53 |  |  | — |  |  | 53 |  |  | 4,247 |
Total Agency MBS |  | 1,747,799 |  |  | 68,296 |  |  | (23 | ) |  | — |  |  | 1,817,037 |  |  | 16,108 |  |  | (19,272 | ) |  | (3,164 | ) |  | 1,813,873 |
Non-Agency MBS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected to Recover Par (4)(5) |  | 917,981 |  |  | — |  |  | (14,176 | ) |  | — |  |  | 903,805 |  |  | 17,905 |  |  | (5 | ) |  | 17,900 |  |  | 921,705 |
Expected to Recover Less than Par (4) |  | 1,611,768 |  |  | — |  |  | (88,121 | ) |  | (462,095 | ) |  | 1,061,552 |  |  | 414,788 |  |  | (256 | ) |  | 414,532 |  |  | 1,476,084 |
Total Non-Agency MBS (6) |  | 2,529,749 |  |  | — |  |  | (102,297 | ) |  | (462,095 | ) |  | 1,965,357 |  |  | 432,693 |  |  | (261 | ) |  | 432,432 |  |  | 2,397,789 |
Total MBS |  | 4,277,548 |  |  | 68,296 |  |  | (102,320 | ) |  | (462,095 | ) |  | 3,782,394 |  |  | 448,801 |  |  | (19,533 | ) |  | 429,268 |  |  | 4,211,662 |
CRT securities (7) |  | 364,284 |  |  | 5,882 |  |  | (117 | ) |  | — |  |  | 370,049 |  |  | 8,084 |  |  | (241 | ) |  | 7,843 |  |  | 377,892 |
Total MBS and CRT securities |  | $ | 4,641,832 |  |  | $ | 74,178 |  |  | $ | (102,437 | ) |  | $ | (462,095 | ) |  | $ | 4,152,443 |  |  | $ | 456,885 |  |  | $ | (19,774 | ) |  | $ | 437,111 |  |  | $ | 4,589,554 |
December 31, 2018
(In Thousands) |  | Principal/ Current Face |  | Purchase Premiums |  | Accretable Purchase Discounts |  | Discount Designated as Credit Reserve and OTTI (1) |  | Amortized Cost (2) |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Net Unrealized Gain/(Loss) |  | Fair Value
Agency MBS: (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fannie Mae |  | $ | 1,716,340 |  |  | $ | 65,930 |  |  | $ | (24 | ) |  | $ | — |  |  | $ | 1,782,246 |  |  | $ | 12,107 |  |  | $ | (32,321 | ) |  | $ | (20,214 | ) |  | $ | 1,762,032 |
Freddie Mac |  | 909,561 |  |  | 36,991 |  |  | — |  |  | — |  |  | 947,588 |  |  | 907 |  |  | (17,177 | ) |  | (16,270 | ) |  | 931,318 |
Ginnie Mae |  | 4,729 |  |  | 87 |  |  | — |  |  | — |  |  | 4,816 |  |  | 47 |  |  | — |  |  | 47 |  |  | 4,863 |
Total Agency MBS |  | 2,630,630 |  |  | 103,008 |  |  | (24 | ) |  | — |  |  | 2,734,650 |  |  | 13,061 |  |  | (49,498 | ) |  | (36,437 | ) |  | 2,698,213 |
Non-Agency MBS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected to Recover Par (4)(5) |  | 1,536,485 |  |  | 40 |  |  | (21,725 | ) |  | — |  |  | 1,514,800 |  |  | 20,520 |  |  | (7,620 | ) |  | 12,900 |  |  | 1,527,700 |
Expected to Recover Less than Par (4) |  | 2,002,319 |  |  | — |  |  | (133,300 | ) |  | (516,116 | ) |  | 1,352,903 |  |  | 438,465 |  |  | (769 | ) |  | 437,696 |  |  | 1,790,599 |
Total Non-Agency MBS (6) |  | 3,538,804 |  |  | 40 |  |  | (155,025 | ) |  | (516,116 | ) |  | 2,867,703 |  |  | 458,985 |  |  | (8,389 | ) |  | 450,596 |  |  | 3,318,299 |
Total MBS |  | 6,169,434 |  |  | 103,048 |  |  | (155,049 | ) |  | (516,116 | ) |  | 5,602,353 |  |  | 472,046 |  |  | (57,887 | ) |  | 414,159 |  |  | 6,016,512 |
CRT securities (7) |  | 476,744 |  |  | 9,321 |  |  | 107 |  |  | — |  |  | 486,172 |  |  | 12,545 |  |  | (5,896 | ) |  | 6,649 |  |  | 492,821 |
Total MBS and CRT securities |  | $ | 6,646,178 |  |  | $ | 112,369 |  |  | $ | (154,942 | ) |  | $ | (516,116 | ) |  | $ | 6,088,525 |  |  | $ | 484,591 |  |  | $ | (63,783 | ) |  | $ | 420,808 |  |  | $ | 6,509,333 |
(1) | Discount designated as Credit Reserve and amounts related to OTTI are generally not expected to be accreted into interest income. Amounts disclosed at September 30, 2019 reflect Credit Reserve of $451.1 million and OTTI of $11.0 million. Amounts disclosed at December 31, 2018 reflect Credit Reserve of $503.3 million and OTTI of $12.8 million.
(2) | Includes principal payments receivable of $965,000 and $1.0 million at September 30, 2019 and December 31, 2018, respectively, which are not included in the Principal/Current Face.
(3) | Amounts disclosed at September 30, 2019 and December 31, 2018 include Agency MBS with a fair value of $312.5 million and $736.5 million, respectively, for which the fair value option has been elected. Such securities had gross unrealized gains of $4.1 million and no unrealized losses at September 30, 2019, and no unrealized gains and gross unrealized losses of approximately $3.3 million at December 31, 2018, respectively.
(4) | Based on management’s current estimates of future principal cash flows expected to be received.
(5) | Includes RPL/NPL MBS, which at September 30, 2019 had an $824.8 million Principal/Current face, $824.3 million amortized cost and $828.1 million fair value. At December 31, 2018, RPL/NPL MBS had a $1.4 billion Principal/Current face, $1.4 billion amortized cost and $1.4 billion fair value.
(6) | At September 30, 2019 and December 31, 2018, the Company expected to recover approximately 82% and 85% of the then-current face amount of Non-Agency MBS, respectively.
(7) Amounts disclosed at September 30, 2019 includes CRT securities with a fair value of $351.4 million for which the fair value option has been elected. Such securities had gross unrealized gains of approximately $7.8 million and gross unrealized losses of approximately $0.2 million at September 30, 2019. Amounts disclosed at December 31, 2018 includes CRT securities with a fair value of $477.4 million for which the fair value option has been elected. Such securities had gross unrealized gains of approximately $12.5 million and gross unrealized losses of approximately $5.6 million at December 31, 2018.
Schedule of Sale of Residential Mortgage Securities | The following tables present information about the Company’s sales of its residential mortgage securities for the three and nine months ended September 30, 2019 and 2018. The Company has no continuing involvement with any of the sold MBS.
|  | Three Months Ended September 30, 2019 |  | Three Months Ended September 30, 2018
(In Thousands) |  | Sales Proceeds |  | Gains/(Losses) |  | Sales Proceeds |  | Gains/(Losses)
Agency MBS |  | $ | 257,289 |  |  | $ | 2,771 |  |  | $ | — |  |  | $ | — |
Non-Agency MBS |  | 47,867 |  |  | 14,444 |  |  | 24,341 |  |  | 3,391 |
CRT Securities |  | 28,969 |  |  | 493 |  |  | 118,855 |  |  | 13,024 |
Total |  | $ | 334,125 |  |  | $ | 17,708 |  |  | $ | 143,196 |  |  | $ | 16,415 |
|  | Nine Months Ended September 30, 2019 |  | Nine Months Ended September 30, 2018
(In Thousands) |  | Sales Proceeds |  | Gains/(Losses) |  | Sales Proceeds |  | Gains/(Losses)
Agency MBS |  | $ | 360,634 |  |  | $ | 499 |  |  | $ | 75,306 |  |  | $ | (3,787 | )
Non-Agency MBS |  | 244,778 |  |  | 41,420 |  |  | 43,703 |  |  | 12,208 |
CRT Securities |  | 133,507 |  |  | 8,108 |  |  | 222,877 |  |  | 24,240 |
Total |  | $ | 738,919 |  |  | $ | 50,027 |  |  | $ | 341,886 |  |  | $ | 32,661 |
Schedule of information about MBS and CRT Securities that were in an unrealized loss position | The following table presents information about the Company’s residential mortgage securities that were in an unrealized loss position at September 30, 2019: Unrealized Loss Position For:
|  | Less than 12 Months |  | 12 Months or more |  | Total
| Fair Value |  | Unrealized Losses |  | Number of Securities | Fair Value |  | Unrealized Losses |  | Number of Securities | Fair Value |  | Unrealized Losses
(Dollars in Thousands)
Agency MBS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fannie Mae |  | $ | 36,775 |  |  | $ | 104 |  |  | 25 |  |  | $ | 660,757 |  |  | $ | 15,178 |  |  | 280 |  |  | $ | 697,532 |  |  | $ | 15,282 |
Freddie Mac |  | — |  |  | — |  |  | — |  |  | 163,863 |  |  | 3,990 |  |  | 101 |  |  | 163,863 |  |  | 3,990 |
Ginnie Mae |  | — |  |  | — |  |  | — |  |  | 172 |  |  | — |  |  | 1 |  |  | 172 |  |  | — |
Total Agency MBS |  | 36,775 |  |  | 104 |  |  | 25 |  |  | 824,792 |  |  | 19,168 |  |  | 382 |  |  | 861,567 |  |  | 19,272 |
Non-Agency MBS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected to Recover Par (1) |  | — |  |  | — |  |  | — |  |  | 7,495 |  |  | 5 |  |  | 1 |  |  | 7,495 |  |  | 5 |
Expected to Recover Less than Par (1) |  | 2,009 |  |  | 11 |  |  | 1 |  |  | 1,894 |  |  | 245 |  |  | 2 |  |  | 3,903 |  |  | 256 |
Total Non-Agency MBS |  | 2,009 |  |  | 11 |  |  | 1 |  |  | 9,389 |  |  | 250 |  |  | 3 |  |  | 11,398 |  |  | 261 |
Total MBS |  | 38,784 |  |  | 115 |  |  | 26 |  |  | 834,181 |  |  | 19,418 |  |  | 385 |  |  | 872,965 |  |  | 19,533 |
CRT securities (2) |  | 7,189 |  |  | 41 |  |  | 2 |  |  | 24,966 |  |  | 200 |  |  | 7 |  |  | 32,155 |  |  | 241 |
Total MBS and CRT securities |  | $ | 45,973 |  |  | $ | 156 |  |  | 28 |  |  | $ | 859,147 |  |  | $ | 19,618 |  |  | 392 |  |  | $ | 905,120 |  |  | $ | 19,774 |
(1) | Based on management’s current estimates of future principal cash flows expected to be received.
(2) | Amounts disclosed at September 30, 2019 include CRT securities with a fair value of $32.2 million for which the fair value option has been elected. Such securities had unrealized losses of $241,000 at September 30, 2019.
Schedule of changes in credit loss component of OTTI | The following table presents a roll-forward of the credit loss component of OTTI on the Company’s Non-Agency MBS for which a non-credit component of OTTI was previously recognized in OCI. Changes in the credit loss component of OTTI are presented based upon whether the current period is the first time OTTI was recorded on a security or a subsequent OTTI charge was recorded.
|  | Three Months Ended September 30, 2019 |  | Nine months ended September 30, 2019
(In Thousands) |  |
Credit loss component of OTTI at beginning of period |  | $ | 39,596 |  |  | $ | 39,596 |
Additions for credit related OTTI not previously recognized |  | — |  |  | — |
Subsequent additional credit related OTTI recorded |  | — |  |  | — |
Credit loss component of OTTI at end of period |  | $ | 39,596 |  |  | $ | 39,596 |
Schedule of changes in the components of the purchase discount on Non-Agency MBS | The following tables present the changes in the components of the Company’s purchase discount on its Non-Agency MBS between purchase discount designated as Credit Reserve and OTTI and accretable purchase discount for the three and nine months ended September 30, 2019 and 2018:
|  | Three Months Ended September 30, 2019 |  | Three Months Ended September 30, 2018
(In Thousands) |  | Discount Designated as Credit Reserve and OTTI |  | Accretable Discount (1) | Discount Designated as Credit Reserve and OTTI |  | Accretable Discount (1)
Balance at beginning of period |  | $ | (479,566 | ) |  | $ | (117,753 | ) |  | $ | (553,596 | ) |  | $ | (202,248 | )
Impact of RMBS Issuer Settlement (2) |  | — |  |  | — |  |  | — |  |  | (2,734 | )
Accretion of discount |  | — |  |  | 10,357 |  |  | — |  |  | 20,115 |
Realized credit losses |  | 4,062 |  |  | — |  |  | 12,042 |  |  | — |
Purchases |  | — |  |  | — |  |  | (1,975 | ) |  | 1,368 |
Sales |  | 12,479 |  |  | 6,029 |  |  | 1,552 |  |  | 1,974 |
Transfers/release of credit reserve |  | 930 |  |  | (930 | ) |  | 10,220 |  |  | (10,220 | )
Balance at end of period |  | $ | (462,095 | ) |  | $ | (102,297 | ) |  | $ | (531,757 | ) |  | $ | (191,745 | )
|  | Nine Months Ended September 30, 2019 |  | Nine Months Ended September 30, 2018
(In Thousands) |  | Discount Designated as Credit Reserve and OTTI |  | Accretable Discount (1) | Discount Designated as Credit Reserve and OTTI |  | Accretable Discount (1)
Balance at beginning of period |  | $ | (516,116 | ) |  | $ | (155,025 | ) |  | $ | (593,227 | ) |  | $ | (215,325 | )
Impact of RMBS Issuer Settlement (2)(3) |  | — |  |  | (1,688 | ) |  | — |  |  | (14,822 | )
Accretion of discount |  | — |  |  | 38,215 |  |  | — |  |  | 54,860 |
Realized credit losses |  | 21,482 |  |  | — |  |  | 31,443 |  |  | — |
Purchases |  | (624 | ) |  | 291 |  |  | (2,510 | ) |  | 1,856 |
Sales |  | 23,842 |  |  | 25,231 |  |  | 7,144 |  |  | 7,079 |
Transfers/release of credit reserve |  | 9,321 |  |  | (9,321 | ) |  | 25,393 |  |  | (25,393 | )
Balance at end of period |  | $ | (462,095 | ) |  | $ | (102,297 | ) |  | $ | (531,757 | ) |  | $ | (191,745 | )
(1) | Together with coupon interest, accretable purchase discount is recognized as interest income over the life of the security.
(2) | Includes the impact of approximately $2.7 million of cash proceeds (a one-time payment) received by the Company during the three and nine months ended September 30, 2018 in connection with the settlement of litigation related to certain residential mortgage backed securitization trusts that were sponsored by Lehman Brothers Holdings Inc.
(3) Includes the impact of cash proceeds (a one-time payment) received by the Company in connection with the settlement of litigation related to certain residential mortgage backed securitization trusts that were sponsored by JP Morgan Chase & Co. and affiliated entities of approximately $1.7 million during the nine months ended September 30, 2019 and approximately $12.1 million during the nine months ended September 30, 2018.
Schedule of impact of AFS on AOCI | The following table presents the impact of the Company’s AFS securities on its AOCI for the three and nine months ended September 30, 2019 and 2018:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In Thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
AOCI from AFS securities: |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gain on AFS securities at beginning of period |  | $ | 439,898 |  |  | $ | 548,551 |  |  | $ | 417,167 |  |  | $ | 620,648 |
Unrealized gain/(loss) on Agency MBS, net |  | 603 |  |  | (9,177 | ) |  | 22,483 |  |  | (27,507 | )
Unrealized gain/(loss) on Non-Agency MBS, net |  | 2,856 |  |  | (25,101 | ) |  | 22,211 |  |  | (62,979 | )
Unrealized gain on MSR term notes, net |  | 2,024 |  |  | — |  |  | 5,391 |  |  | 236 |
Reclassification adjustment for MBS sales included in net income |  | (14,499 | ) |  | (9,455 | ) |  | (36,370 | ) |  | (25,580 | )
Change in AOCI from AFS securities |  | (9,016 | ) |  | (43,733 | ) |  | 13,715 |  |  | (115,830 | )
Balance at end of period |  | $ | 430,882 |  |  | $ | 504,818 |  |  | $ | 430,882 |  |  | $ | 504,818 |
Schedule of interest income on MBS, CRT Securities and MSR Related Assets | The following table presents the components of interest income on the Company’s residential mortgage securities and MSR- related assets for the three and nine months ended September 30, 2019 and 2018:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In Thousands) |  | 2019 |  | 2018 |  | 2019 |  | 2018
Agency MBS |  |  |  |  |  |  |  |
Coupon interest |  | $ | 18,994 |  |  | $ | 21,549 |  |  | $ | 66,560 |  |  | $ | 62,546 |
Effective yield adjustment (1) |  | (7,188 | ) |  | (7,217 | ) |  | (21,039 | ) |  | (19,751 | )
Interest income |  | $ | 11,806 |  |  | $ | 14,332 |  |  | $ | 45,521 |  |  | $ | 42,795 |
Legacy Non-Agency MBS |  |  |  |  |  |  |  |
Coupon interest |  | $ | 21,011 |  |  | $ | 27,026 |  |  | $ | 68,144 |  |  | $ | 83,791 |
Effective yield adjustment (2)(3) |  | 10,336 |  |  | 18,984 |  |  | 38,003 |  |  | 53,648 |
Interest income |  | $ | 31,347 |  |  | $ | 46,010 |  |  | $ | 106,147 |  |  | $ | 137,439 |
RPL/NPL MBS |  |  |  |  |  |  |  |
Coupon interest |  | $ | 13,227 |  |  | $ | 11,526 |  |  | $ | 44,305 |  |  | $ | 31,167 |
Effective yield adjustment (1)(4) |  | 8 |  |  | 1,131 |  |  | 158 |  |  | 1,206 |
Interest income |  | $ | 13,235 |  |  | $ | 12,657 |  |  | $ | 44,463 |  |  | $ | 32,373 |
CRT securities |  |  |  |  |  |  |  |
Coupon interest |  | $ | 5,174 |  |  | $ | 7,257 |  |  | $ | 16,769 |  |  | $ | 23,484 |
Effective yield adjustment (2) |  | (923 | ) |  | 491 |  |  | (1,224 | ) |  | 2,455 |
Interest income |  | $ | 4,251 |  |  | $ | 7,748 |  |  | $ | 15,545 |  |  | $ | 25,939 |
MSR-related assets |  |  |  |  |  |  |  |
Coupon interest |  | $ | 15,222 |  |  | $ | 6,387 |  |  | $ | 38,107 |  |  | $ | 18,985 |
Effective yield adjustment (1) |  | 52 |  |  | 20 |  |  | 125 |  |  | 1,264 |
Interest income |  | $ | 15,274 |  |  | $ | 6,407 |  |  | $ | 38,232 |  |  | $ | 20,249 |
(1) Includes amortization of premium paid net of accretion of purchase discount. For Agency MBS, RPL/NPL MBS and the corporate loan secured by MSRs, interest income is recorded at an effective yield, which reflects net premium amortization/accretion based on actual prepayment activity. (2) The effective yield adjustment is the difference between the net income calculated using the net yield, which is based on management’s estimates of the amount and timing of future cash flows, less the current coupon yield. (3) Includes accretion income recognized due to the impact of redemptions of certain securities that had been previously purchased at a discount of approximately $2.3 million during the three months ended September 30, 2018, and $3.1 million and $2.3 million during the nine months ended September 30, 2019 and 2018, respectively. (4) Includes accretion income recognized due to the impact of redemptions of certain securities that had been previously purchased at a discount of approximately $4,000 and $1.1 million during the three months ended September 30, 2019 and 2018, respectively, and $152,000 and $1.2 million during the nine months ended September 30, 2019 and 2018, respectively.

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- Definition Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27340-111563 + Details
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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
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