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Loans and Allowance - Summary of Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Recorded Balance	$ 1,519	$ 171	$ 1,519	$ 261
Post-Modification Recorded Balance	$ 1,556	$ 164	$ 1,556	$ 254
Number of Loans | loan	11	4	11	5
Commercial and industrial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Recorded Balance	$ 654		$ 654
Post-Modification Recorded Balance	$ 654		$ 654
Number of Loans | loan	3		3
Commercial and farmland
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Recorded Balance	$ 565		$ 565
Post-Modification Recorded Balance	$ 565		$ 565
Number of Loans | loan	2		2
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Recorded Balance	$ 300	$ 171	$ 300	$ 261
Post-Modification Recorded Balance	$ 337	$ 164	$ 337	$ 254
Number of Loans | loan	6	4	6	5

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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