Loans, Loans Portfolio Aging Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 3,887	$ 5,015
Current	1,336,273	1,238,436
Loans gross	1,340,160	1,243,451
Total Loans Greater Than 90 Days and Accruing	94	0
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	405	3,152
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	843	269
Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	2,639	1,594
Commercial and industrial [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	76	283
Current	123,109	78,088
Loans gross	123,185	78,371
Total Loans Greater Than 90 Days and Accruing	0	0
Commercial and industrial [Member] | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	283
Commercial and industrial [Member] | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	76	0
Commercial and industrial [Member] | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial, secured by real estate [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,808	1,510
Current	841,098	802,644
Loans gross	842,906	804,154
Total Loans Greater Than 90 Days and Accruing	0	0
Commercial, secured by real estate [Member] | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	339
Commercial, secured by real estate [Member] | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	224	0
Commercial, secured by real estate [Member] | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	1,584	1,171
Residential real estate [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	1,932	2,256
Current	326,148	320,599
Loans gross	328,080	322,855
Total Loans Greater Than 90 Days and Accruing	94	0
Residential real estate [Member] | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	343	1,573
Residential real estate [Member] | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	534	260
Residential real estate [Member] | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	1,055	423
Consumer [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	16	36
Current	36,632	25,319
Loans gross	36,648	25,355
Total Loans Greater Than 90 Days and Accruing	0	0
Consumer [Member] | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	7	27
Consumer [Member] | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	9	9
Consumer [Member] | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Agricultural [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	8,938	11,523
Loans gross	8,938	11,523
Total Loans Greater Than 90 Days and Accruing	0	0
Agricultural [Member] | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Agricultural [Member] | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Agricultural [Member] | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Other [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due	55	930
Current	348	263
Loans gross	403	1,193
Total Loans Greater Than 90 Days and Accruing	0	0
Other [Member] | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	55	930
Other [Member] | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Other [Member] | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 0	$ 0