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Securities - Schedule of Information Regarding Securities with Unrealized Losses (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Securities in an Unrealized Loss Position for Less than 12 Months |  |
Fair value, AFS and HTM | $ 5,722 | $ 1,117
Unrealized losses, AFS and HTM | 137 | 5
Securities in an Unrealized Loss Position for More than 12 Months |  |
Fair value, AFS and HTM | 2,288,497 | 2,628,150
Unrealized losses, AFS and HTM | 502,121 | 484,839
Total |  |
Fair value, AFS and HTM | 2,294,219 | 2,629,267
Unrealized losses, AFS and HTM | 502,258 | 484,844
U.S. Treasuries |  |
Securities in an Unrealized Loss Position for Less than 12 Months |  |
Fair value, AFS | 0 | 0
Unrealized losses, AFS | 0 | 0
Securities in an Unrealized Loss Position for More than 12 Months |  |
Fair value, AFS | 0 | 172,570
Unrealized losses, AFS | 0 | 2,215
Total |  |
Fair Value, AFS | 0 | 172,570
Unrealized losses, AFS | 0 | 2,215
Government-sponsored enterprise securities |  |
Securities in an Unrealized Loss Position for Less than 12 Months |  |
Fair value, AFS | 0 | 0
Unrealized losses, AFS | 0 | 0
Securities in an Unrealized Loss Position for More than 12 Months |  |
Fair value, AFS | 60,127 | 60,266
Unrealized losses, AFS | 11,840 | 11,698
Total |  |
Fair Value, AFS | 60,127 | 60,266
Unrealized losses, AFS | 11,840 | 11,698
Mortgage-backed securities |  |
Securities in an Unrealized Loss Position for Less than 12 Months |  |
Fair value, AFS and HTM | 190 | 1,117
Unrealized losses, AFS and HTM | 1 | 5
Securities in an Unrealized Loss Position for More than 12 Months |  |
Fair value, AFS and HTM | 1,796,740 | 1,945,830
Unrealized losses, AFS and HTM | 398,060 | 386,553
Total |  |
Fair value, AFS and HTM | 1,796,930 | 1,946,947
Unrealized losses, AFS and HTM | 398,061 | 386,558
Corporate bonds |  |
Securities in an Unrealized Loss Position for Less than 12 Months |  |
Fair value, AFS | 375 | 0
Unrealized losses, AFS | 51 | 0
Securities in an Unrealized Loss Position for More than 12 Months |  |
Fair value, AFS | 15,716 | 17,008
Unrealized losses, AFS | 785 | 917
Total |  |
Fair Value, AFS | 16,091 | 17,008
Unrealized losses, AFS | 836 | 917
State and local governments |  |
Securities in an Unrealized Loss Position for Less than 12 Months |  |
Fair value, HTM | 5,157 | 0
Unrealized losses, HTM | 85 | 0
Securities in an Unrealized Loss Position for More than 12 Months |  |
Fair value, HTM | 415,914 | 432,476
Unrealized losses, HTM | 91,436 | 83,456
Total |  |
Fair value, HTM | 421,071 | 432,476
Unrealized losses, HTM | $ 91,521 | $ 83,456

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