Loans and Allowance for Loan Losses (Schedule of Outstanding Commercial and Consumer Loans as Non-Accruals by Class) (Details) - Commercial Loan [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	$ 1,237,040	$ 1,128,472
30-59 days past due	1,219	153
60-89 days past due	2,168
Greater than 90 days	198	80
Total commercial loans	1,240,625	1,128,705
Owner Occupied Re [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	392,053	367,018
30-59 days past due	843
60-89 days past due
Greater than 90 days
Total commercial loans	392,896	367,018
Non Owner Occupied Re [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	479,595	404,179
30-59 days past due	102	117
60-89 days past due	2,168
Greater than 90 days
Total commercial loans	481,865	404,296
Construction Loans [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	75,710	84,411
30-59 days past due
60-89 days past due
Greater than 90 days
Total commercial loans	75,710	84,411
Business Loan [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	289,682	272,864
30-59 days past due	274	36
60-89 days past due
Greater than 90 days	198	80
Total commercial loans	$ 290,154	$ 272,980