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v3.25.2

Securities - Summary of Book Values and Fair Values of Investment Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value |  |
Amortized Cost | $ 2,443,724 | $ 2,411,117
Fair Value | 2,144,831 | 2,043,062
Unrealized gains | 4,590 | 60
Unrealized (losses) | (303,483) | (368,115)
Securities held to maturity: |  |
Amortized Cost | 516,405 | 519,998
Fair Value | 431,420 | 428,571
Unrealized gains | 2 | 1
Unrealized (losses) | (84,987) | (91,428)
U.S. Treasuries |  |
Fair Value |  |
Amortized Cost | 121,461 | 121,051
Fair Value | 124,020 | 120,581
Unrealized gains | 2,559 | 0
Unrealized (losses) | 0 | (470)
Government-sponsored enterprise securities |  |
Fair Value |  |
Amortized Cost | 11,964 | 11,961
Fair Value | 10,097 | 9,614
Unrealized gains | 0 | 0
Unrealized (losses) | (1,867) | (2,347)
Mortgage-backed securities |  |
Fair Value |  |
Amortized Cost | 2,295,111 | 2,261,924
Fair Value | 1,995,592 | 1,897,175
Unrealized gains | 1,984 | 60
Unrealized (losses) | (301,503) | (364,809)
Securities held to maturity: |  |
Amortized Cost | 7,885 | 9,198
Fair Value | 7,600 | 8,739
Unrealized gains | 0 | 0
Unrealized (losses) | (285) | (459)
Corporate bonds |  |
Fair Value |  |
Amortized Cost | 15,188 | 16,181
Fair Value | 15,122 | 15,692
Unrealized gains | 47 | 0
Unrealized (losses) | (113) | (489)
State and local governments |  |
Securities held to maturity: |  |
Amortized Cost | 508,520 | 510,800
Fair Value | 423,820 | 419,832
Unrealized gains | 2 | 1
Unrealized (losses) | $ (84,702) | $ (90,969)

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