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v3.24.2

Investment Securities - Schedule of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Investment Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | $ 2,585,893 | $ 2,694,012
Available-for-Sale: Gross Unrealized Gains | 643 | 704
Available-for-Sale: Gross Unrealized Losses | (288,444) | (285,783)
Available-for-Sale: Fair Value | 2,298,092 | 2,408,933
Held-to-Maturity: |  |
Held-to-Maturity: Amortized Cost | 4,812,954 | 4,997,335
Held-to-Maturity: Gross Unrealized Gains | 25 | 29
Held-to-Maturity: Gross Unrealized Losses | (810,857) | (743,727)
Held-to-Maturity: Fair Value | 4,002,122 | 4,253,637
Debt Securities Issued by the U.S. Treasury and Government Agencies |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 212,413 | 223,308
Available-for-Sale: Gross Unrealized Gains | 320 | 361
Available-for-Sale: Gross Unrealized Losses | (10,979) | (11,096)
Available-for-Sale: Fair Value | 201,754 | 212,573
Held-to-Maturity: |  |
Held-to-Maturity: Amortized Cost | 131,805 | 131,742
Held-to-Maturity: Gross Unrealized Losses | (16,602) | (15,211)
Held-to-Maturity: Fair Value | 115,203 | 116,531
Debt Securities Issued by States and Political Subdivisions |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 73,292 | 73,417
Available-for-Sale: Gross Unrealized Losses | (10,146) | (9,611)
Available-for-Sale: Fair Value | 63,146 | 63,806
Debt Securities Issued by Government-Sponsored Enterprises |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 1,506 | 1,556
Available-for-Sale: Gross Unrealized Losses | (74) | (80)
Available-for-Sale: Fair Value | 1,432 | 1,476
Debt Securities Issued by Corporations |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 704,610 | 706,002
Available-for-Sale: Gross Unrealized Gains | 207 | 142
Available-for-Sale: Gross Unrealized Losses | (42,193) | (48,443)
Available-for-Sale: Fair Value | 662,624 | 657,701
Held-to-Maturity: |  |
Held-to-Maturity: Amortized Cost | 10,867 | 11,483
Held-to-Maturity: Gross Unrealized Losses | (2,149) | (1,998)
Held-to-Maturity: Fair Value | 8,718 | 9,485
Residential - Government Agencies |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 666,354 | 713,918
Available-for-Sale: Gross Unrealized Gains | 111 | 194
Available-for-Sale: Gross Unrealized Losses | (87,536) | (84,785)
Available-for-Sale: Fair Value | 578,929 | 629,327
Held-to-Maturity: |  |
Held-to-Maturity: Amortized Cost | 1,595,881 | 1,674,076
Held-to-Maturity: Gross Unrealized Gains | 16 | 20
Held-to-Maturity: Gross Unrealized Losses | (277,950) | (265,493)
Held-to-Maturity: Fair Value | 1,317,947 | 1,408,603
Residential - U.S. Government-Sponsored Enterprises |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 773,094 | 818,296
Available-for-Sale: Gross Unrealized Gains | 5 | 7
Available-for-Sale: Gross Unrealized Losses | (113,153) | (109,176)
Available-for-Sale: Fair Value | 659,946 | 709,127
Held-to-Maturity: |  |
Held-to-Maturity: Amortized Cost | 2,643,443 | 2,744,094
Held-to-Maturity: Gross Unrealized Gains | 9 | 9
Held-to-Maturity: Gross Unrealized Losses | (419,247) | (369,965)
Held-to-Maturity: Fair Value | 2,224,205 | 2,374,138
Commercial - Government Agencies or Sponsored Agencies |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 154,624 | 157,515
Available-for-Sale: Gross Unrealized Losses | (24,363) | (22,592)
Available-for-Sale: Fair Value | 130,261 | 134,923
Held-to-Maturity: |  |
Held-to-Maturity: Amortized Cost | 430,958 | 435,940
Held-to-Maturity: Gross Unrealized Losses | (94,909) | (91,060)
Held-to-Maturity: Fair Value | 336,049 | 344,880
Mortgage-Backed Securities |  |
Available-for-Sale: |  |
Available-for-Sale: Amortized Cost | 1,594,072 | 1,689,729
Available-for-Sale: Gross Unrealized Gains | 116 | 201
Available-for-Sale: Gross Unrealized Losses | (225,052) | (216,553)
Available-for-Sale: Fair Value | 1,369,136 | 1,473,377
Held-to-Maturity: |  |
Held-to-Maturity: Amortized Cost | 4,670,282 | 4,854,110
Held-to-Maturity: Gross Unrealized Gains | 25 | 29
Held-to-Maturity: Gross Unrealized Losses | (792,106) | (726,518)
Held-to-Maturity: Fair Value | $ 3,878,201 | $ 4,127,621

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