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Loans and Allowance for Loan Losses (Details) - Summary of allowance for loan losses and the recorded investment in loans based on portfolio segment and impairment method - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	$ 8,958	$ 8,121	$ 8,755	$ 8,167
Charge offs	(255)	(20)	(655)	(80)
Recoveries	10	5	13	19
Provision (credit)	1,300	200	1,900	200
Ending balance	10,013	8,306	10,013	8,306
Allowance:
Individually evaluated for impairment	102		102		$ 726
Collectively evaluated for impairment	9,911		9,911		8,029
Totals	10,013		10,013		8,755
Loans:
Individually evaluated for impairment	5,851		5,851		5,585
Collectively evaluated for impairment	898,193		898,193		819,205
Totals	904,044		904,044		824,790
Commercial & industrial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	1,649	1,334	1,883	1,435
Charge offs	(194)		(582)	(48)
Recoveries	4	1	5	1
Provision (credit)	1,385	43	1,538	(10)
Ending balance	2,844	1,378	2,844	1,378
Allowance:
Individually evaluated for impairment	1		1		511
Collectively evaluated for impairment	2,843		2,843		1,372
Totals	2,844		2,844		1,883
Loans:
Individually evaluated for impairment	1,135		1,135		1,722
Collectively evaluated for impairment	223,496		223,496		149,325
Totals	224,631		224,631		151,047
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	3,668	3,269	3,602	2,923
Charge offs
Recoveries
Provision (credit)	(64)	179	2	525
Ending balance	3,604	3,448	3,604	3,448
Allowance:
Individually evaluated for impairment					147
Collectively evaluated for impairment	3,604		3,604		3,455
Totals	3,604		3,604		3,602
Loans:
Individually evaluated for impairment	1,768		1,768		1,558
Collectively evaluated for impairment	373,538		373,538		365,224
Totals	375,306		375,306		366,782
Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	475	466	434	482
Charge offs
Recoveries
Provision (credit)	29	43	70	27
Ending balance	504	509	504	509
Allowance:
Individually evaluated for impairment
Collectively evaluated for impairment	504		504		434
Totals	504		504		434
Loans:
Collectively evaluated for impairment	58,837		58,837		50,994
Totals	58,837		58,837		50,994
Residential real estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	2,442	2,316	2,203	2,567
Charge offs	(37)		(37)
Recoveries	1	1	2	1
Provision (credit)	(128)	(30)	110	(281)
Ending balance	2,278	2,287	2,278	2,287
Allowance:
Individually evaluated for impairment	99		99		68
Collectively evaluated for impairment	2,179		2,179		2,135
Totals	2,278		2,278		2,203
Loans:
Individually evaluated for impairment	2,830		2,830		2,274
Collectively evaluated for impairment	181,951		181,951		190,885
Totals	184,781		184,781		193,159
Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	724	736	633	760
Charge offs	(24)	(20)	(36)	(32)
Recoveries	5	3	6	17
Provision (credit)	78	(35)	180	(61)
Ending balance	783	$ 684	783	$ 684
Allowance:
Individually evaluated for impairment	2		2
Collectively evaluated for impairment	781		781		633
Totals	783		783		633
Loans:
Individually evaluated for impairment	118		118		31
Collectively evaluated for impairment	60,371		60,371		62,777
Totals	$ 60,489		$ 60,489		$ 62,808

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