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v3.23.2

Securities, Available for Sale (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | $ 1,672,191 |  | $ 1,672,191 |  | $ 1,743,882
Unrealized gains | 25 |  | 25 |  | 38
Unrealized losses | (218,290) |  | (218,290) |  | (216,695)
Estimated fair value | 1,453,926 |  | 1,453,926 |  | 1,527,225
Allowance for credit losses on AFS securities | 0 |  | 0 |  | 0
Gross realized gains |  | $ 0 |  | $ 0 |
Gross realized losses | 4,500 | $ 0 | 4,500 | $ 0 |
U.S. Treasury [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 133,019 |  | 133,019 |  | 132,891
Unrealized gains | 0 |  | 0 |  | 0
Unrealized losses | (11,022) |  | (11,022) |  | (11,233)
Estimated fair value | 121,997 |  | 121,997 |  | 121,658
Federal Agency [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 248,401 |  | 248,401 |  | 248,419
Unrealized gains | 0 |  | 0 |  | 0
Unrealized losses | (39,748) |  | (39,748) |  | (42,000)
Estimated fair value | 208,653 |  | 208,653 |  | 206,419
State & Municipal [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 96,645 |  | 96,645 |  | 97,036
Unrealized gains | 2 |  | 2 |  | 5
Unrealized losses | (12,472) |  | (12,472) |  | (14,190)
Estimated fair value | 84,175 |  | 84,175 |  | 82,851
Mortgage-Backed, Government Sponsored Enterprises [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 426,190 |  | 426,190 |  | 454,177
Unrealized gains | 4 |  | 4 |  | 9
Unrealized losses | (53,872) |  | (53,872) |  | (54,675)
Estimated fair value | 372,322 |  | 372,322 |  | 399,511
Mortgage-Backed, U.S. Government Agency Securities [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 77,869 |  | 77,869 |  | 81,844
Unrealized gains | 11 |  | 11 |  | 15
Unrealized losses | (8,813) |  | (8,813) |  | (7,676)
Estimated fair value | 69,067 |  | 69,067 |  | 74,183
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 474,708 |  | 474,708 |  | 498,021
Unrealized gains | 8 |  | 8 |  | 9
Unrealized losses | (58,849) |  | (58,849) |  | (59,473)
Estimated fair value | 415,867 |  | 415,867 |  | 438,557
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 166,936 |  | 166,936 |  | 171,090
Unrealized gains | 0 |  | 0 |  | 0
Unrealized losses | (25,434) |  | (25,434) |  | (21,284)
Estimated fair value | 141,502 |  | 141,502 |  | 149,806
Corporate [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 48,423 |  | 48,423 |  | 60,404
Unrealized gains | 0 |  | 0 |  | 0
Unrealized losses | (8,080) |  | (8,080) |  | (6,164)
Estimated fair value | $ 40,343 |  | 40,343 |  | $ 54,240
Loss on the write-off of an AFS debt security |  |  | $ 5,000 |  |

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