Allowance for Credit Losses (Collateral Dependent Loans) (Details)	Jun. 30, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Threshold balance for collateral-dependent loans to be individually reviewed for impairment	$ 500,000
Collateral-Dependant Loans	62,315,000
Net Realizable Value of Collateral	$ 98,633,000
Collateral Coverage	158.30%
Allowance for Credit Losses	$ 310,000
Non-PCD Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	40,302,000
Net Realizable Value of Collateral	$ 64,812,000
Collateral Coverage	160.80%
Allowance for Credit Losses	$ 75,000
Non-PCD Loans | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	20,547,000
Net Realizable Value of Collateral	$ 38,903,000
Collateral Coverage	189.30%
Allowance for Credit Losses	$ 0
Non-PCD Loans | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	19,755,000
Net Realizable Value of Collateral	$ 25,909,000
Collateral Coverage	131.20%
Allowance for Credit Losses	$ 75,000
PCD Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	22,013,000
Net Realizable Value of Collateral	$ 33,821,000
Collateral Coverage	153.60%
Allowance for Credit Losses	$ 235,000
Construction and land development | Non-PCD Loans | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	2,862,000
Net Realizable Value of Collateral	$ 3,224,000
Collateral Coverage	112.60%
Allowance for Credit Losses	$ 0
Construction and land development | Non-PCD Loans | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	0
Net Realizable Value of Collateral	$ 0
Collateral Coverage	0.00%
Allowance for Credit Losses	$ 0
Owner occupied commercial mortgage | Non-PCD Loans | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	10,690,000
Net Realizable Value of Collateral	$ 24,546,000
Collateral Coverage	229.60%
Allowance for Credit Losses	$ 0
Non-owner occupied commercial mortgage | Non-PCD Loans | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	6,995,000
Net Realizable Value of Collateral	$ 11,133,000
Collateral Coverage	159.20%
Allowance for Credit Losses	$ 0
Commercial and industrial | Non-PCD Loans | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	0
Net Realizable Value of Collateral	$ 0
Collateral Coverage	0.00%
Allowance for Credit Losses	$ 0
Residential mortgage | Non-PCD Loans | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	19,445,000
Net Realizable Value of Collateral	$ 25,599,000
Collateral Coverage	131.60%
Allowance for Credit Losses	$ 75,000
Revolving mortgage | Non-PCD Loans | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-Dependant Loans	310,000
Net Realizable Value of Collateral	$ 310,000
Collateral Coverage	100.00%
Allowance for Credit Losses	$ 0