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v3.23.1

Securities - Schedule of Fair Value of Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Available for sale |  |
Amortized Cost | $ 1,064,941 | $ 1,137,702
Gross Unrealized Gains | 310 | 335
Gross Unrealized Losses | (121,810) | (140,479)
Fair Value | 943,441 | 997,558
Held to maturity |  |
Amortized Cost | 2,015,537 | 2,022,748
Gross Unrealized Gains | 1,115 | 374
Gross Unrealized Losses | (307,260) | (341,813)
Fair Value | 1,709,392 | 1,681,309
U.S. Treasury and federal agencies |  |
Available for sale |  |
Amortized Cost | 294,218 | 294,329
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (23,878) | (27,150)
Fair Value | 270,340 | 267,179
Held to maturity |  |
Amortized Cost | 295,200 | 295,250
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (44,833) | (49,237)
Fair Value | 250,367 | 246,013
State and municipal |  |
Available for sale |  |
Amortized Cost | 451,133 | 505,006
Gross Unrealized Gains | 54 | 140
Gross Unrealized Losses | (59,978) | (71,602)
Fair Value | 391,209 | 433,544
Held to maturity |  |
Amortized Cost | 1,127,691 | 1,127,669
Gross Unrealized Gains | 1,115 | 374
Gross Unrealized Losses | (169,792) | (192,458)
Fair Value | 959,014 | 935,585
Federal agency collateralized mortgage obligations |  |
Available for sale |  |
Amortized Cost | 25,919 | 33,011
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (1,360) | (1,796)
Fair Value | 24,559 | 31,215
Held to maturity |  |
Amortized Cost | 55,379 | 56,564
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (8,003) | (8,865)
Fair Value | 47,376 | 47,699
Federal agency mortgage-backed pools |  |
Available for sale |  |
Amortized Cost | 211,697 | 220,963
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (27,573) | (30,307)
Fair Value | 184,124 | 190,656
Held to maturity |  |
Amortized Cost | 338,861 | 343,953
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (51,806) | (56,714)
Fair Value | 287,055 | 287,239
Private labeled mortgage-backed pools |  |
Held to maturity |  |
Amortized Cost | 34,835 | 35,466
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (5,186) | (5,493)
Fair Value | 29,649 | 29,973
Corporate notes |  |
Available for sale |  |
Amortized Cost | 81,974 | 84,393
Gross Unrealized Gains | 256 | 195
Gross Unrealized Losses | (9,021) | (9,624)
Fair Value | 73,209 | 74,964
Held to maturity |  |
Amortized Cost | 163,571 | 163,846
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (27,640) | (29,046)
Fair Value | $ 135,931 | $ 134,800

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