Fair Value (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Loans Held-for-Sale	$ 15,561	$ 17,713
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	875,787	854,825
Loans Held-for-Sale	15,561	17,713
Derivative Assets	9,521	2,607
Derivative Liabilities	10,222	2,829
Fair Value, Measurements, Recurring \| Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	326,864	324,300
Fair Value, Measurements, Recurring \| MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	548,923	530,525
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0	0
Loans Held-for-Sale	0	0
Derivative Assets	0	0
Derivative Liabilities	0	0
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0	0
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0	0
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	872,305	850,804
Loans Held-for-Sale	15,561	17,713
Derivative Assets	9,521	2,607
Derivative Liabilities	10,222	2,829
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	323,382	320,279
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	548,923	530,525
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	3,482	4,021
Loans Held-for-Sale	0	0
Derivative Assets	0	0
Derivative Liabilities	0	0
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3) \| Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	3,482	4,021
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3) \| MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	$ 0	$ 0

Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]

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- Definition

Fair value as of the balance sheet date of all derivative assets not designated as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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- Definition

Fair value as of the balance sheet date of all derivative liabilities not designated as hedging instruments.

+ References

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

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