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v3.23.2

Securities Securities (Reconciliation of amortized cost of held to maturity securities) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | $ 342 | $ 729
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (180,150) | (181,139)
Debt Securities, Held-to-maturity, Fair Value | 1,444,084 | 1,524,710
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 0 | 0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 1,623,892 | 1,705,120
Small Business Administration Pooled Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 327 | 313
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (6,424) | (6,225)
Debt Securities, Held-to-maturity, Fair Value | 127,218 | 130,918
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 0 | 0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 133,315 | 136,830
Collateralized Debt Obligations [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 0 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (77,944) | (77,554)
Debt Securities, Held-to-maturity, Fair Value | 428,647 | 458,417
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 0 | 0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 506,591 | 535,971
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 15 | 408
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (82,235) | (83,383)
Debt Securities, Held-to-maturity, Fair Value | 769,198 | 815,952
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 0 | 0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 851,418 | 898,927
US Treasury Securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 0 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (11,509) | (11,755)
Debt Securities, Held-to-maturity, Fair Value | 89,164 | 88,879
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 0 | 0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 100,673 | 100,634
U.S. government agency securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 0 | 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (1,907) | (2,222)
Debt Securities, Held-to-maturity, Fair Value | 28,488 | 29,036
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 0 | 0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 30,395 | 31,258
Trust Preferred Securities Subject to Mandatory Redemption [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 0 | 8
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (131) | 0
Debt Securities, Held-to-maturity, Fair Value | 1,369 | 1,508
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 0 | 0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | $ 1,500 | $ 1,500

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