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Securities - Contractual Maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost |  |
Due within one year | $ 420 |
Due after one year through five years | 5,698 |
Due after five years through ten years | 158,817 |
Due after ten years | 116,521 |
Amortized Cost | 1,076,849 | $ 1,126,144
Fair Value |  |
Due within one year | 419 |
Due after one year through five years | 5,413 |
Due after five years through ten years | 138,535 |
Due after ten years | 96,328 |
Fair Value | 984,359 | 1,002,544
Amortized Cost |  |
Due within one year | 22,007 |
Due after one year through five years | 74,507 |
Due after five years through ten years | 122,446 |
Due after ten years | 103,075 |
Amortized Cost | 2,573,662 | 968,927
Fair Value |  |
Due within one year | 22,033 |
Due after one year through five years | 74,611 |
Due after five years through ten years | 120,894 |
Due after ten years | 101,420 |
Fair Value | 2,471,487 | 831,013
Residential mortgage backed securities: |  |
Amortized Cost |  |
Amortized Cost | 337,493 | 354,882
Fair Value |  |
Fair Value | 311,494 | 313,376
Other debt securities |  |
Amortized Cost |  |
Without single maturity date, amortized cost | 49,784 |
Amortized Cost | 49,784 | 53,683
Fair Value |  |
Without single maturity date, fair value | 47,180 |
Fair Value | 47,180 | 49,603
Amortized Cost |  |
Debt securities, without fixed maturity, amortized cost | 320,848 |
Amortized Cost | 374,085 | 130,175
Fair Value |  |
Debt securities, without fixed maturity, fair value | 320,106 |
Fair Value | 372,476 | 127,960
Government agency mortgage backed securities | Residential mortgage backed securities: |  |
Amortized Cost |  |
Without single maturity date, amortized cost | 348,360 |
Amortized Cost | 348,360 | 372,414
Fair Value |  |
Without single maturity date, fair value | 333,984 |
Fair Value | 333,984 | 347,163
Amortized Cost |  |
Debt securities, without fixed maturity, amortized cost | 674,915 |
Amortized Cost | 674,915 | 185,292
Fair Value |  |
Debt securities, without fixed maturity, fair value | 658,081 |
Fair Value | 658,081 | 160,905
Government agency mortgage backed securities | Commercial mortgage backed securities: |  |
Amortized Cost |  |
Without single maturity date, amortized cost | 16,949 |
Amortized Cost | 16,949 | 16,961
Fair Value |  |
Without single maturity date, fair value | 14,570 |
Fair Value | 14,570 | 14,003
Amortized Cost |  |
Debt securities, without fixed maturity, amortized cost | 88,320 |
Amortized Cost | 88,320 | 11,373
Fair Value |  |
Debt securities, without fixed maturity, fair value | 87,267 |
Fair Value | 87,267 | 10,622
Government agency collateralized mortgage obligations | Residential mortgage backed securities: |  |
Amortized Cost |  |
Without single maturity date, amortized cost | 337,493 |
Fair Value |  |
Without single maturity date, fair value | 311,494 |
Amortized Cost |  |
Debt securities, without fixed maturity, amortized cost | 760,573 |
Amortized Cost | 760,573 | 475,311
Fair Value |  |
Debt securities, without fixed maturity, fair value | 697,730 |
Fair Value | 697,730 | 388,516
Government agency collateralized mortgage obligations | Commercial mortgage backed securities: |  |
Amortized Cost |  |
Without single maturity date, amortized cost | 42,807 |
Amortized Cost | 42,807 | 43,662
Fair Value |  |
Without single maturity date, fair value | 36,436 |
Fair Value | 36,436 | 36,345
Amortized Cost |  |
Debt securities, without fixed maturity, amortized cost | 406,971 |
Amortized Cost | 406,971 | 146,510
Fair Value |  |
Debt securities, without fixed maturity, fair value | 389,345 |
Fair Value | $ 389,345 | $ 124,956

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