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Asset-Backed Securities Issued (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt Disclosure [Abstract] |
Carrying Value of ABS Issued by Consolidated Securitization Entities Sponsored, along with Other Selected Information | Table 14.1 – Asset-Backed Securities Issued
|  | December 31, 2021
(Dollars in Thousands) |  | Legacy Sequoia |  | Sequoia |  | CAFL (1) |  | Freddie Mac SLST (2) |  | Freddie Mac K-Series |  | Point HEI |  | Total
Certificates with principal balance |  | $ | 259,505 |  |  | $ | 3,353,073 |  |  | $ | 3,264,766 |  |  | $ | 1,535,638 |  |  | $ | 418,700 |  |  | $ | 138,792 |  |  | $ | 8,970,474 |
Interest-only certificates |  | 619 |  |  | 32,749 |  |  | 193,725 |  |  | 11,714 |  |  | 10,184 |  |  | — |  |  | 248,991 |
Market valuation adjustments |  | (32,243) |  |  | (2,774) |  |  | 16,407 |  |  | 41,111 |  |  | 12,973 |  |  | (1,382) |  |  | 34,092 |
ABS Issued, Net |  | $ | 227,881 |  |  | $ | 3,383,048 |  |  | $ | 3,474,898 |  |  | $ | 1,588,463 |  |  | $ | 441,857 |  |  | $ | 137,410 |  |  | $ | 9,253,557 |
Range of weighted average interest rates, by series(3) |  | 0.23% to 1.44% |  | 2.4% to 5.03% |  | 2.64% to 5.24% |  | 3.50% to 4.75% |  | 3.41 | % |  | 3.31 | % |  |
Stated maturities(3) |  | 2024 - 2036 |  | 2047-2052 |  | 2027-2031 |  | 2028-2059 |  | 2025 |  | 2052 |  |
Number of series |  | 20 |  |  | 16 |  |  | 16 |  |  | 3 |  |  | 1 |  |  | 1 |  |  |
|  | December 31, 2020
(Dollars in Thousands) |  | Legacy Sequoia |  | Sequoia |  | CAFL (1) |  | Freddie Mac SLST (2) |  | Freddie Mac K-Series |  | Point HEI |  | Total
Certificates with principal balance |  | $ | 329,039 |  |  | $ | 1,309,957 |  |  | $ | 2,716,425 |  |  | $ | 1,866,145 |  |  | $ | 416,339 |  |  | $ | — |  |  | $ | 6,637,905 |
Interest-only certificates |  | 1,092 |  |  | 4,591 |  |  | 162,934 |  |  | 23,335 |  |  | 13,026 |  |  | — |  |  | 204,978 |
Market valuation adjustments |  | (47,805) |  |  | 32,809 |  |  | 133,734 |  |  | 104,439 |  |  | 34,601 |  |  | — |  |  | 257,778 |
ABS Issued, Net |  | $ | 282,326 |  |  | $ | 1,347,357 |  |  | $ | 3,013,093 |  |  | $ | 1,993,919 |  |  | $ | 463,966 |  |  | $ | — |  |  | $ | 7,100,661 |
Range of weighted average interest rates, by series |  | 0.35% to 1.55% |  | 2.25% to 5.04% |  | 2.68% to 5.42% |  | 3.50% to 4.75% |  | 3.39% to 3.39% |  | — |  |  |
Stated maturities |  | 2024 - 2036 |  | 2047 - 2050 |  | 2021 - 2031 |  | 2028 - 2059 |  | 2025 |  | — |  |  |
Number of series |  | 20 |  |  | 10 |  |  | 14 |  |  | 3 |  |  | 1 |  |  | — |  |  |
(1)Includes $270 million (principal balance) of ABS issued by a CAFL bridge securitization trust sponsored by Redwood and accounted for at amortized cost at December 31, 2021. (2)Includes $145 million and $205 million (principal balance) of ABS issued by a re-securitization trust sponsored by Redwood and accounted for at amortized cost at December 31, 2021 and December 31, 2020, respectively. (3)Certain ABS issued by CAFL, Freddie Mac SLST, and Point HEI entities are subject to early redemption and interest rate step-ups as described below.
Schedule of Interest Payable On Asset-Backed Securities Issued | The following table summarizes the accrued interest payable on ABS issued at December 31, 2021 and 2020. Interest due on consolidated ABS issued is payable monthly. Table 14.2 – Accrued Interest Payable on Asset-Backed Securities Issued
(In Thousands) |  | December 31, 2021 |  | December 31, 2020
Legacy Sequoia |  | $ | 99 |  |  | $ | 141 |
Sequoia |  | 8,452 |  |  | 4,697 |
Freddie Mac SLST (1) |  | 4,630 |  |  | 5,656 |
Freddie Mac K-Series |  | 1,190 |  |  | 1,177 |
CAFL |  | 11,030 |  |  | 10,122 |
Total Accrued Interest Payable on ABS Issued |  | $ | 25,401 |  |  | $ | 21,793 |
(1)Includes accrued interest payable on ABS issued by a re-securitization trust sponsored by Redwood.

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