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Loans (Schedule of Contractually Required Payments on Acquired Loans) (Details) - Loans Acquired with Deteriorated Credit Quality - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Contractually required payments on loans acquired with evidence of deteriorated credit quality	$ 11,816	$ 13,819
Cash Flows Expected to be Collected at Acquisition	7,795	8,802
Fair Value of Acquired Loans at Acquisition	7,009	7,702
Commercial and Industrial Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Contractually required payments on loans acquired with evidence of deteriorated credit quality	1,013	4,245
Commercial Real Estate Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Contractually required payments on loans acquired with evidence of deteriorated credit quality	8,915	7,103
Agricultural Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Contractually required payments on loans acquired with evidence of deteriorated credit quality	1,888	1,095
Home Equity Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Contractually required payments on loans acquired with evidence of deteriorated credit quality	0	565
Consumer Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Contractually required payments on loans acquired with evidence of deteriorated credit quality	0	11
Residential Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Contractually required payments on loans acquired with evidence of deteriorated credit quality	$ 0	$ 800

X

- Definition

Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118938799&loc=d3e13503-111538

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 30
-Section 50
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- Definition

Amount of cash flows expected to be collected at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118938799&loc=d3e13503-111538

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Amount of contractually required payments receivable at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544

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