| Securities Available for Sale |
Securities Available for Sale The amortized cost, gross unrealized gains and losses, and fair value of available for sale (AFS) securities were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2023 | Amortized
Cost | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | | | Fair
Value | | Senior asset-backed securities related to Structured Program transactions | $ | 413,850 | | | $ | — | | | $ | (1,453) | | | | | $ | 412,397 | | | U.S. agency residential mortgage-backed securities | 263,568 | | | — | | | (52,331) | | | | | 211,237 | | | U.S. agency securities | 93,451 | | | — | | | (18,372) | | | | | 75,079 | | | Mortgage-backed securities | 43,162 | | | — | | | (7,013) | | | | | 36,149 | | Other asset-backed securities related to Structured Program transactions (1) | 26,831 | | | 4,540 | | | (309) | | | | | 31,062 | | | Other asset-backed securities | 28,217 | | | 34 | | | (787) | | | | | 27,464 | | | Municipal securities | 3,262 | | | — | | | (981) | | | | | 2,281 | | | | | | | | | | | | Total securities available for sale (2) | $ | 872,341 | | | $ | 4,574 | | | $ | (81,246) | | | | | $ | 795,669 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2022 | Amortized
Cost | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | | | Fair
Value | | U.S. agency residential mortgage-backed securities | $ | 255,675 | | | $ | — | | | $ | (41,248) | | | | | $ | 214,427 | | | U.S. agency securities | 90,447 | | | — | | | (16,053) | | | | | 74,394 | | | Mortgage-backed securities | 26,988 | | | — | | | (4,470) | | | | | 22,518 | | | Asset-backed securities related to Structured Program transactions | 8,322 | | | 9,395 | | | — | | | | | 17,717 | | | Other asset-backed securities | 14,959 | | | 29 | | | (785) | | | | | 14,203 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Municipal securities | 3,277 | | | — | | | (834) | | | | | 2,443 | | Total securities available for sale (2) | $ | 399,668 | | | $ | 9,424 | | | $ | (63,390) | | | | | $ | 345,702 | |
(1) As of September 30, 2023, $24.8 million of the other asset-backed securities related to Structured Program transactions at fair value are subject to restrictions on transfer pursuant to the Company’s obligations as a “sponsor” under the U.S. Risk Retention Rules. (2) As of September 30, 2023 and December 31, 2022, includes $341.6 million and $319.0 million, respectively, of fair value securities pledged as collateral. A summary of AFS securities with unrealized losses for which a credit valuation allowance has not been recorded, aggregated by period of continuous unrealized loss, is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Less than
12 months | | 12 months
or longer | | Total | | September 30, 2023 | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | Senior asset-backed securities related to Structured Program transactions | $ | 372,388 | | | $ | (1,453) | | | $ | — | | | $ | — | | | $ | 372,388 | | | $ | (1,453) | | | U.S. agency residential mortgage-backed securities | 21,064 | | | (892) | | | 190,173 | | | (51,439) | | | 211,237 | | | (52,331) | | | U.S. agency securities | 2,960 | | | (40) | | | 72,119 | | | (18,332) | | | 75,079 | | | (18,372) | | | Mortgage-backed securities | 16,278 | | | (1,387) | | | 19,871 | | | (5,626) | | | 36,149 | | | (7,013) | | | Other asset-backed securities | 14,112 | | | (47) | | | 8,233 | | | (740) | | | 22,345 | | | (787) | | | | | | | | | | | | | | | Other asset-backed securities related to Structured Program transactions | 21,486 | | | (309) | | | — | | | — | | | 21,486 | | | (309) | | | Municipal securities | — | | | — | | | 2,281 | | | (981) | | | 2,281 | | | (981) | | | Total securities with unrealized losses | $ | 448,288 | | | $ | (4,128) | | | $ | 292,677 | | | $ | (77,118) | | | $ | 740,965 | | | $ | (81,246) | | | | | | | | | | | | | | | | | | | | | | | | | | | Less than
12 months | | 12 months
or longer | | Total | | December 31, 2022 | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | U.S. agency residential mortgage-backed securities | $ | 111,843 | | | $ | (15,831) | | | $ | 102,584 | | | $ | (25,417) | | | $ | 214,427 | | | $ | (41,248) | | | U.S. agency securities | 50,352 | | | (7,213) | | | 24,042 | | | (8,840) | | | 74,394 | | | (16,053) | | | Mortgage-backed securities | 2,441 | | | (229) | | | 20,077 | | | (4,241) | | | 22,518 | | | (4,470) | | | Other asset-backed securities | 4,086 | | | (73) | | | 6,945 | | | (712) | | | 11,031 | | | (785) | | | Municipal securities | — | | | — | | | 2,443 | | | (834) | | | 2,443 | | | (834) | | | Total securities with unrealized losses | $ | 168,722 | | | $ | (23,346) | | | $ | 156,091 | | | $ | (40,044) | | | $ | 324,813 | | | $ | (63,390) | |
There was no activity in the allowance for AFS securities during the third quarters and first nine months of 2023 and 2022. At September 30, 2023, the majority of the Company’s AFS investment portfolio was comprised of senior asset-backed securities related to Structured Program transactions and U.S. agency-backed securities. Management considers U.S. agency-backed securities to be of the highest credit quality and rating given the guarantee of principal and interest by certain U.S. government agencies. Most of the remaining securities in an unrealized loss position in the Company’s AFS investment portfolio at September 30, 2023, were rated investment grade. Substantially all of these unrealized losses in the AFS investment portfolio were caused by interest rate increases. The Company does not intend to sell the investment portfolio, and it is not more likely than not that it will be required to sell any investment before recovery of its amortized cost basis. For a description of management’s quarterly evaluation of AFS securities in an unrealized loss position, see “Part II – Item 8. Financial Statements and Supplementary Data – Note 1. Summary of Significant Accounting Policies” in our Annual Report. The contractual maturities of AFS securities were as follows: | | | | | | | | | | | | | | | | | | | September 30, 2023 | Amortized Cost | | Fair Value | | Weighted- average Yield (1) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due within 1 year: | | | | | | | | | | | | | Senior asset-backed securities related to Structured Program transactions | $ | 230 | | | $ | 230 | | | | | Total due within 1 year | 230 | | | 230 | | | 46.15 | % | | Due after 1 year through 5 years: | | | | | | | Senior asset-backed securities related to Structured Program transactions | 413,620 | | | 412,167 | | | | | Other asset-backed securities related to Structured Program transactions | 26,831 | | | 31,062 | | | | | U.S. agency securities | 9,000 | | | 8,567 | | | | | Mortgage-backed securities | 1,774 | | | 1,556 | | | | | Other asset-backed securities | 441 | | | 443 | | | | | U.S. agency residential mortgage-backed securities | 4 | | | 3 | | | | | Total due after 1 year through 5 years | 451,670 | | | 453,798 | | | 3.17 | % | | Due after 5 years through 10 years: | | | | | | | U.S. agency securities | 18,848 | | | 16,768 | | | | | Other asset-backed securities | 15,567 | | | 15,545 | | | | | | | | | | | U.S. agency residential mortgage-backed securities | 5,177 | | | 4,696 | | | | | Mortgage-backed securities | 2,036 | | | 1,634 | | | | | Municipal securities | 621 | | | 516 | | | | | Total due after 5 years through 10 years | 42,249 | | | 39,159 | | | 4.27 | % | | Due after 10 years: | | | | | | | U.S. agency residential mortgage-backed securities | 258,387 | | | 206,538 | | | | | U.S. agency securities | 65,603 | | | 49,744 | | | | | Mortgage-backed securities | 39,352 | | | 32,959 | | | | | Other asset-backed securities | 12,209 | | | 11,476 | | | | | Municipal securities | 2,641 | | | 1,765 | | | | | Total due after 10 years | 378,192 | | | 302,482 | | | 2.80 | % | | Total securities available for sale | $ | 872,341 | | | $ | 795,669 | | | 3.07 | % |
(1) The weighted-average yield is computed using the amortized cost at September 30, 2023.
There were no sales of AFS securities during the third quarters and first nine months of 2023 and 2022.
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