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Investments Securities - Schedule of Investments by Contractual Maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Investments in AFS debt securities—Amortized cost: |  |
Due Within One Year | $ 437,534 |
Due After One Year Through Five Years | 35,384 |
Due After Five Years Through Ten Years | 5,951 |
Due After Ten Years | 8,130 |
Amortized Cost | $ 486,999 | $ 203,418
Weighted average yield for investments in AFS debt securities |  |
Due Within One Year | 4.40% |
Due After One Year Through Five Years | 3.50% |
Due After Five Years Through Ten Years | 0.13% |
Due After Ten Years | (1.51%) |
Total | 3.92% |
AFS investment securities—Fair value: |  |
Due Within One Year | $ 439,759 |
Due After One Year Through Five Years | 33,712 |
Due After Five Years Through Ten Years | 5,397 |
Due After Ten Years | 6,775 |
Total | 485,643 |
Accrued Interest | 448 | 631
U.S. Treasury securities |  |
Investments in AFS debt securities—Amortized cost: |  |
Due Within One Year | 404,071 |
Due After One Year Through Five Years | 15,309 |
Due After Five Years Through Ten Years | 0 |
Due After Ten Years | 0 |
Amortized Cost | 419,380 | 121,282
AFS investment securities—Fair value: |  |
Due Within One Year | 406,933 |
Due After One Year Through Five Years | 14,657 |
Due After Five Years Through Ten Years | 0 |
Due After Ten Years | 0 |
Total | 421,590 |
Accrued Interest | 187 | 217
Multinational securities |  |
Investments in AFS debt securities—Amortized cost: |  |
Due Within One Year | 15,606 |
Due After One Year Through Five Years | 0 |
Due After Five Years Through Ten Years | 0 |
Due After Ten Years | 0 |
Amortized Cost | 15,606 | 19,658
AFS investment securities—Fair value: |  |
Due Within One Year | 15,459 |
Due After One Year Through Five Years | 0 |
Due After Five Years Through Ten Years | 0 |
Due After Ten Years | 0 |
Total | 15,459 |
Accrued Interest | 55 | 109
Corporate bonds |  |
Investments in AFS debt securities—Amortized cost: |  |
Due Within One Year | 15,922 |
Due After One Year Through Five Years | 15,514 |
Due After Five Years Through Ten Years | 3,315 |
Due After Ten Years | 0 |
Amortized Cost | 34,751 | 41,890
AFS investment securities—Fair value: |  |
Due Within One Year | 15,503 |
Due After One Year Through Five Years | 14,670 |
Due After Five Years Through Ten Years | 2,877 |
Due After Ten Years | 0 |
Total | 33,050 |
Accrued Interest | 175 | 257
Agency mortgage-backed securities |  |
Investments in AFS debt securities—Amortized cost: |  |
Due Within One Year | 0 |
Due After One Year Through Five Years | 149 |
Due After Five Years Through Ten Years | 720 |
Due After Ten Years | 7,190 |
Amortized Cost | 8,059 | 8,899
AFS investment securities—Fair value: |  |
Due Within One Year | 0 |
Due After One Year Through Five Years | 140 |
Due After Five Years Through Ten Years | 633 |
Due After Ten Years | 6,058 |
Total | 6,831 |
Accrued Interest | 19 | 22
Other asset-backed securities |  |
Investments in AFS debt securities—Amortized cost: |  |
Due Within One Year | 1,935 |
Due After One Year Through Five Years | 4,412 |
Due After Five Years Through Ten Years | 1,916 |
Due After Ten Years | 0 |
Amortized Cost | 8,263 | 9,556
AFS investment securities—Fair value: |  |
Due Within One Year | 1,864 |
Due After One Year Through Five Years | 4,245 |
Due After Five Years Through Ten Years | 1,887 |
Due After Ten Years | 0 |
Total | 7,996 |
Accrued Interest | 5 | 5
Other |  |
Investments in AFS debt securities—Amortized cost: |  |
Due Within One Year | 0 |
Due After One Year Through Five Years | 0 |
Due After Five Years Through Ten Years | 0 |
Due After Ten Years | 940 |
Amortized Cost | 940 | 2,133
AFS investment securities—Fair value: |  |
Due Within One Year | 0 |
Due After One Year Through Five Years | 0 |
Due After Five Years Through Ten Years | 0 |
Due After Ten Years | 717 |
Total | 717 |
Accrued Interest | $ 7 | $ 21

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