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Securities (Schedule of Available-for-sale Securities Reconciliation) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Total |  | $ 529,216
Total, post ASU 2019-04 | $ 428,831 |
Gross Unrealized Gains | 1,499 | 23
Gross Unrealized Losses | (45,199) | (45,346)
Fair Value |  | 483,893
Fair Value, post ASU 2019-04 | 385,131 |
US Treasury Securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total |  | 241,506
Total, post ASU 2019-04 | 84,550 |
Gross Unrealized Losses | (10,817) | (17,853)
Fair Value |  | 223,653
Fair Value, post ASU 2019-04 | 73,733 |
US Government-sponsored Enterprises Debt Securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total |  | 1,593
Total, post ASU 2019-04 | 59,683 |
Gross Unrealized Gains | 1,430 |
Gross Unrealized Losses | (160) | (18)
Fair Value |  | 1,575
Fair Value, post ASU 2019-04 | 60,953 |
Municipal securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total |  | 19,210
Total, post ASU 2019-04 | 18,661 |
Gross Unrealized Gains | 2 | 17
Gross Unrealized Losses | (1,158) | (616)
Fair Value |  | 18,611
Fair Value, post ASU 2019-04 | 17,505 |
Other Debt Securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total |  | 32,959
Total, post ASU 2019-04 | 34,784 |
Gross Unrealized Gains | 67 |
Gross Unrealized Losses | (4,225) | (2,408)
Fair Value |  | 30,551
Fair Value, post ASU 2019-04 | 30,626 |
Mortgage-backed securities (GSEs) [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total |  | 233,948
Total, post ASU 2019-04 | 231,153 |
Gross Unrealized Gains |  | 6
Gross Unrealized Losses | (28,839) | (24,451)
Fair Value |  | $ 209,503
Fair Value, post ASU 2019-04 | $ 202,314 |

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