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Loans and Allowance for Loan Losses (Details 4) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	$ 802,048	$ 409,073	$ 398,785
Agricultural [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	57,339	49,109	48,464
Agricultural [Member] | Risk ratings 1 and 2 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	14,173	15,300
Agricultural [Member] | Risk rating 3 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	27,163	23,938
Agricultural [Member] | Risk rating 4 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	14,530	9,082
Agricultural [Member] | Risk rating 5 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	1,094	211
Agricultural [Member] | Risk rating 6 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	379	578
Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	148,083	91,406	104,386
Commercial and Industrial [Member] | Risk ratings 1 and 2 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	14,920	11,972
Commercial and Industrial [Member] | Risk rating 3 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	105,656	50,266
Commercial and Industrial [Member] | Risk rating 4 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	26,152	23,961
Commercial and Industrial [Member] | Risk rating 5 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	1,081	5,204
Commercial and Industrial [Member] | Risk rating 6 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	274	3
Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	326,379	139,453	123,487
Commercial Real Estate [Member] | Risk ratings 1 and 2 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	11,051	7,962
Commercial Real Estate [Member] | Risk rating 3 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	271,120	89,173
Commercial Real Estate [Member] | Risk rating 4 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	39,934	36,193
Commercial Real Estate [Member] | Risk rating 5 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	1,332	4,850
Commercial Real Estate [Member] | Risk rating 6 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	2,942	1,275
Consumer [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	38,854	24,382	24,513
Consumer [Member] | Performing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	38,838	24,320
Consumer [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	16	62
Construction Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	13,411	8,843	6,613
Construction Real Estate [Member] | Performing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	13,411	8,843
Residential Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	217,982	95,880	$ 91,322
Residential Real Estate [Member] | Performing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	216,651	94,925
Residential Real Estate [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans (Note 3)	$ 1,331	$ 955

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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