Loans and Allowance for Loan Losses (Schedule of Breakdown of Outstanding Loans by Risk Category) (Details) - Commercial Loan [Member] - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	$ 1,357,397	$ 1,298,338
Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	1,340,313	1,279,168
Special Mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	4,785	5,164
Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	12,299	14,006
Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans
Owner Occupied Re [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	420,858	407,851
Owner Occupied Re [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	417,254	404,237
Owner Occupied Re [Member] | Special Mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	1,305	1,312
Owner Occupied Re [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	2,299	2,302
Owner Occupied Re [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans
Non Owner Occupied Re [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	554,566	501,878
Non Owner Occupied Re [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	546,801	492,941
Non Owner Occupied Re [Member] | Special Mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	1,226	744
Non Owner Occupied Re [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	6,539	8,193
Non Owner Occupied Re [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans
Construction Loans [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	71,761	80,486
Construction Loans [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	71,761	80,486
Construction Loans [Member] | Special Mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans
Construction Loans [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans
Construction Loans [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans
Business Loan [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	310,212	308,123
Business Loan [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	304,497	301,504
Business Loan [Member] | Special Mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	2,254	3,108
Business Loan [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans	3,461	3,511
Business Loan [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding commercial loans