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Fair Value (Recorded amount of assets and liabilities measured at fair value) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
AFS Securities |  |
Debt Securities, Available-for-sale | $ 490,601 | $ 339,228
Fair value, total | 511,748 | 361,657
Level 1 [Member] |  |
AFS Securities |  |
Fair value, total | $ 0 | $ 0
Percent of assets and liabilities measured at fair value | 0.00% | 0.00%
Level 2 [Member] |  |
AFS Securities |  |
Fair value, total | $ 492,725 | $ 341,590
Percent of assets and liabilities measured at fair value | 96.28% | 94.45%
Level 3 [Member] |  |
AFS Securities |  |
Fair value, total | $ 19,023 | $ 20,067
Percent of assets and liabilities measured at fair value | 3.72% | 5.55%
Recurring items [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | $ 490,601 | $ 339,228
Derivative Assets (Liabilities), at Fair Value, Net | 0 | 54
Recurring items [Member] | States and political subdivisions [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 121,205 | 143,656
Recurring items [Member] | Auction rate money market preferred [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 3,242 | 3,237
Recurring items [Member] | Mortgage-backed securities [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 56,148 | 88,652
Recurring items [Member] | Collateralized mortgage obligations [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 92,301 | 101,983
Recurring items [Member] | Corporate Debt Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 8,002 | 1,700
Recurring items [Member] | US Treasury Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 209,703 | 0
Recurring items [Member] | Level 1 [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Derivative Assets (Liabilities), at Fair Value, Net | 0 | 0
Recurring items [Member] | Level 1 [Member] | States and political subdivisions [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 1 [Member] | Auction rate money market preferred [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 1 [Member] | Mortgage-backed securities [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 1 [Member] | Collateralized mortgage obligations [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 1 [Member] | Corporate Debt Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 1 [Member] | US Treasury Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 2 [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 490,601 | 339,228
Derivative Assets (Liabilities), at Fair Value, Net | 0 | 54
Recurring items [Member] | Level 2 [Member] | States and political subdivisions [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 121,205 | 143,656
Recurring items [Member] | Level 2 [Member] | Auction rate money market preferred [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 3,242 | 3,237
Recurring items [Member] | Level 2 [Member] | Mortgage-backed securities [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 56,148 | 88,652
Recurring items [Member] | Level 2 [Member] | Collateralized mortgage obligations [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 92,301 | 101,983
Recurring items [Member] | Level 2 [Member] | Corporate Debt Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 8,002 | 1,700
Recurring items [Member] | Level 2 [Member] | US Treasury Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 209,703 | 0
Recurring items [Member] | Level 3 [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Derivative Assets (Liabilities), at Fair Value, Net | 0 | 0
Recurring items [Member] | Level 3 [Member] | States and political subdivisions [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 3 [Member] | Auction rate money market preferred [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 3 [Member] | Mortgage-backed securities [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 3 [Member] | Collateralized mortgage obligations [Member] |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 3 [Member] | Corporate Debt Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Recurring items [Member] | Level 3 [Member] | US Treasury Securities |  |
AFS Securities |  |
Debt Securities, Available-for-sale | 0 | 0
Nonrecurring items [Member] |  |
AFS Securities |  |
Impaired loans (net of the allowance for loan losses) | 18,812 | 19,540
OMSR | 2,124 | 2,308
Foreclosed assets | 211 | 527
Nonrecurring items [Member] | Level 1 [Member] |  |
AFS Securities |  |
Impaired loans (net of the allowance for loan losses) | 0 | 0
OMSR | 0 | 0
Foreclosed assets | 0 | 0
Nonrecurring items [Member] | Level 2 [Member] |  |
AFS Securities |  |
Impaired loans (net of the allowance for loan losses) | 0 | 0
OMSR | 2,124 | 2,308
Foreclosed assets | 0 | 0
Nonrecurring items [Member] | Level 3 [Member] |  |
AFS Securities |  |
Impaired loans (net of the allowance for loan losses) | 18,812 | 19,540
OMSR | 0 | 0
Foreclosed assets | $ 211 | $ 527

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