Loans and Allowance (Commercial and Retail Credit Exposure Credit Risk Profile by Internal Rating) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 1,497,256	$ 1,186,713	$ 1,172,636
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	485,808	318,684
Commercial Real Estate [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	465,888	309,451
Commercial Real Estate [Member] | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	9,501	4,219
Commercial Real Estate [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	10,419	4,996
Commercial Real Estate [Member] | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans		18
Commercial Segment [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	654,242	457,126
Commercial Segment [Member] | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	19,622	10,003
Commercial Segment [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	14,613	10,780
Commercial Segment [Member] | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans		18
Commercial Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	53,310	28,164
Commercial Segment [Member] | Construction Loans [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	46,649	27,464
Commercial Segment [Member] | Construction Loans [Member] | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	6,112
Commercial Segment [Member] | Construction Loans [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	549	700
Commercial Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	149,359	131,079
Commercial Segment [Member] | Commercial and Industrial [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	141,705	120,211
Commercial Segment [Member] | Commercial and Industrial [Member] | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	4,009	5,784
Commercial Segment [Member] | Commercial and Industrial [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	3,645	5,084
Consumer [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	802,747	702,990
Consumer [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	6,032	5,796
Consumer [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	464,539	444,243
Consumer [Member] | First Mortgage [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	459,771	439,075
Consumer [Member] | First Mortgage [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	4,768	5,168
Consumer [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	77,072	69,477
Consumer [Member] | Second Mortgage [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	76,752	69,130
Consumer [Member] | Second Mortgage [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	320	347
Consumer [Member] | Automobile Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	43,667	19,640
Consumer [Member] | Automobile Loan [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	43,559	19,616
Consumer [Member] | Automobile Loan [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	108	24
Consumer [Member] | Boat/RVs [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	216,608	169,238
Consumer [Member] | Boat/RVs [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	215,830	169,036
Consumer [Member] | Boat/RVs [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	778	202
Consumer [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	6,893	6,188
Consumer [Member] | Other [Member] | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	6,835	6,133
Consumer [Member] | Other [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 58	$ 55