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v3.23.2

AFS Securities (AFS securities with gross unrealized losses) (Details) $ in Thousands | Jun. 30, 2023 USD ($) Securities | Dec. 31, 2022 USD ($) Securities
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Losses, Less Than Twelve Months | $ 3,907 | $ 19,424
Fair Value, Less Than Twelve Months | 86,055 | 306,799
Gross Unrealized Losses, Twelve Months or More | 41,069 | 26,092
Fair Value, Twelve Months or More | 404,543 | 244,918
Total Unrealized Losses | $ 44,976 | $ 45,516
Number of Securities in an unrealized loss position, Less Than Twelve Months, Fair Value | Securities | 62 | 178
Number of Securities in an unrealized loss position, Twelve Months or More, Fair Value | Securities | 225 | 266
Number of Securities in an unrealized loss position, Total Unrealized Losses | Securities | 287 | 444
States and political subdivisions [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Losses, Less Than Twelve Months | $ 242 | $ 2,389
Fair Value, Less Than Twelve Months | 16,972 | 48,083
Gross Unrealized Losses, Twelve Months or More | 4,504 | 2,514
Fair Value, Twelve Months or More | 38,371 | 40,667
Total Unrealized Losses | 4,746 | 4,903
Auction rate money market preferred [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Losses, Less Than Twelve Months | 0 | 0
Fair Value, Less Than Twelve Months | 0 | 0
Gross Unrealized Losses, Twelve Months or More | 563 | 858
Fair Value, Twelve Months or More | 2,637 | 2,342
Total Unrealized Losses | 563 | 858
Collateralized mortgage obligations [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Losses, Less Than Twelve Months | 3,597 | 12,408
Fair Value, Less Than Twelve Months | 67,725 | 201,315
Gross Unrealized Losses, Twelve Months or More | 9,390 | 165
Fair Value, Twelve Months or More | 113,271 | 4,411
Total Unrealized Losses | 12,987 | 12,573
US Treasury Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Losses, Less Than Twelve Months | 0 | 1,388
Fair Value, Less Than Twelve Months | 0 | 18,331
Gross Unrealized Losses, Twelve Months or More | 22,068 | 21,533
Fair Value, Twelve Months or More | 209,353 | 190,370
Total Unrealized Losses | 22,068 | 22,921
Corporate Debt Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Losses, Less Than Twelve Months | 0 | 0
Fair Value, Less Than Twelve Months | 0 | 0
Gross Unrealized Losses, Twelve Months or More | 1,413 | 1,022
Fair Value, Twelve Months or More | 6,737 | 7,128
Total Unrealized Losses | 1,413 | 1,022
Mortgage Backed Securities, Other [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross Unrealized Losses, Less Than Twelve Months | 68 | 3,239
Fair Value, Less Than Twelve Months | 1,358 | 39,070
Gross Unrealized Losses, Twelve Months or More | 3,131 | 0
Fair Value, Twelve Months or More | 34,174 | 0
Total Unrealized Losses | $ 3,199 | $ 3,239

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