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v3.22.2.2

Investment Securities - Available for Sale and Held for Maturity Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Available-for-sale: [Abstract] |  |
Amortized Cost | $ 1,466,930 | $ 1,422,591
Gross Unrealized Gains | 43 | 17,166
Gross Unrealized (Losses) | (236,185) | (18,335)
Fair Value | 1,230,788 | 1,421,422
Held-to-maturity: [Abstract] |  |
Held-to-maturity | 2,930 | 7,030
Gross Unrealized Gains | 0 | 5
Unrealized (Losses) | 0 | 0
Fair Value | 2,930 | 7,035
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies |  |
Available-for-sale: [Abstract] |  |
Amortized Cost | 256,478 | 208,598
Gross Unrealized Gains | 0 | 80
Gross Unrealized (Losses) | (33,747) | (4,863)
Fair Value | 222,731 | 203,815
Held-to-maturity: [Abstract] |  |
Held-to-maturity |  | 5,001
Gross Unrealized Gains |  | 5
Unrealized (Losses) |  | 0
Fair Value |  | 5,006
Obligations of States and Political Subdivisions |  |
Available-for-sale: [Abstract] |  |
Amortized Cost | 360,622 | 383,991
Gross Unrealized Gains | 35 | 12,123
Gross Unrealized (Losses) | (74,549) | (657)
Fair Value | 286,108 | 395,457
Mortgage-backed Securities: GSE Residential |  |
Available-for-sale: [Abstract] |  |
Amortized Cost | 763,882 | 799,456
Gross Unrealized Gains | 7 | 4,292
Gross Unrealized (Losses) | (123,495) | (12,710)
Fair Value | 640,394 | 791,038
Other Securities |  |
Available-for-sale: [Abstract] |  |
Amortized Cost | 85,948 | 30,546
Gross Unrealized Gains | 1 | 671
Gross Unrealized (Losses) | (4,394) | (105)
Fair Value | 81,555 | 31,112
Other Investments |  |
Held-to-maturity: [Abstract] |  |
Held-to-maturity | 2,930 | 2,029
Gross Unrealized Gains | 0 | 0
Unrealized (Losses) | 0 | 0
Fair Value | $ 2,930 | $ 2,029

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