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v3.25.2

Investments - Schedule of Available For Sale Maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost |  |
Amortized Cost | $ 6,219,151 | $ 6,231,018
Fair Value |  |
Fair Value | 5,966,537 | 5,876,721
U.S. Treasury securities: |  |
Amortized Cost |  |
Due in 1 year | 94,020 |
Due after 1 but within 5 years | 268,372 |
Due after 5 but within 10 years | 21,709 |
Due after 10 years | 14,490 |
Subtotal | 398,591 |
Amortized Cost | 398,591 | 561,853
Fair Value |  |
Due in 1 year | 92,725 |
Due after 1 but within 5 years | 265,801 |
Due after 5 but within 10 years | 20,340 |
Due after 10 years | 12,595 |
Subtotal | 391,461 |
Fair Value | 391,461 | 547,290
Municipal debt securities |  |
Amortized Cost |  |
Due in 1 year | 20,710 |
Due after 1 but within 5 years | 91,433 |
Due after 5 but within 10 years | 147,229 |
Due after 10 years | 386,505 |
Subtotal | 645,877 |
Amortized Cost | 645,877 | 631,015
Fair Value |  |
Due in 1 year | 20,575 |
Due after 1 but within 5 years | 89,634 |
Due after 5 but within 10 years | 140,145 |
Due after 10 years | 350,264 |
Subtotal | 600,618 |
Fair Value | 600,618 | 583,501
Non-U.S. government securities |  |
Amortized Cost |  |
Due in 1 year | 6,529 |
Due after 1 but within 5 years | 25,938 |
Due after 5 but within 10 years | 7,696 |
Due after 10 years | 32,098 |
Subtotal | 72,261 |
Amortized Cost | 72,261 | 81,631
Fair Value |  |
Due in 1 year | 6,455 |
Due after 1 but within 5 years | 25,340 |
Due after 5 but within 10 years | 6,545 |
Due after 10 years | 23,826 |
Subtotal | 62,166 |
Fair Value | 62,166 | 69,798
Corporate debt securities: |  |
Amortized Cost |  |
Due in 1 year | 165,479 |
Due after 1 but within 5 years | 612,577 |
Due after 5 but within 10 years | 990,216 |
Due after 10 years | 200,700 |
Subtotal | 1,968,972 |
Amortized Cost | 1,968,972 | 1,887,647
Fair Value |  |
Due in 1 year | 164,573 |
Due after 1 but within 5 years | 597,076 |
Due after 5 but within 10 years | 973,327 |
Due after 10 years | 173,191 |
Subtotal | 1,908,167 |
Fair Value | 1,908,167 | 1,783,046
U.S. agency mortgage-backed securities |  |
Amortized Cost |  |
Amortized Cost | 1,265,904 | 1,249,259
Fair Value |  |
Fair Value | 1,172,715 | 1,125,436
Residential and commercial mortgage securities |  |
Amortized Cost |  |
Amortized Cost | 484,715 | 519,613
Fair Value |  |
Fair Value | 454,381 | 478,086
Asset-backed securities |  |
Amortized Cost |  |
Amortized Cost | 801,867 | 642,395
Fair Value |  |
Fair Value | 796,065 | 631,959
Money market funds |  |
Amortized Cost |  |
Amortized Cost | 580,964 | 657,605
Fair Value |  |
Fair Value | $ 580,964 | $ 657,605

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