Loans and Allowance for Loan Losses (Schedule of Loan Maturity Distribution by Type and Related Interest Rate) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	$ 189,939	$ 257,561
Total gross loans, net of deferred fees, After one but within five years	718,610	705,670
Total gross loans, net of deferred fees, After five years	1,169,991	980,294
Total gross loans, net of deferred fees	2,078,540	1,943,525
Loans maturing after one year with: fixed interest rates	1,536,279	1,310,744
Loans maturing after one year with: floating interest rates	352,322	375,220
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	160,423	211,150
Total gross loans, net of deferred fees, After one but within five years	618,220	581,153
Total gross loans, net of deferred fees, After five years	578,635	506,035
Total gross loans, net of deferred fees	1,357,278	1,298,338
Commercial Loan [Member] | Owner Occupied Re [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	20,585	40,476
Total gross loans, net of deferred fees, After one but within five years	136,345	147,945
Total gross loans, net of deferred fees, After five years	262,386	219,430
Total gross loans, net of deferred fees	419,316	407,851
Commercial Loan [Member] | Non Owner Occupied Re [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	47,848	55,187
Total gross loans, net of deferred fees, After one but within five years	312,776	267,879
Total gross loans, net of deferred fees, After five years	209,515	178,812
Total gross loans, net of deferred fees	570,139	501,878
Commercial Loan [Member] | Business Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	72,291	84,452
Total gross loans, net of deferred fees, After one but within five years	145,878	146,051
Total gross loans, net of deferred fees, After five years	85,591	77,620
Total gross loans, net of deferred fees	303,760	308,123
Commercial Loan [Member] | Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	19,699	31,035
Total gross loans, net of deferred fees, After one but within five years	23,221	19,278
Total gross loans, net of deferred fees, After five years	21,143	30,173
Total gross loans, net of deferred fees	64,063	80,486
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	29,516	46,411
Total gross loans, net of deferred fees, After one but within five years	100,390	124,517
Total gross loans, net of deferred fees, After five years	591,356	474,259
Total gross loans, net of deferred fees	721,262	645,187
Consumer Loan [Member] | Other Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	6,810	6,422
Total gross loans, net of deferred fees, After one but within five years	12,604	15,022
Total gross loans, net of deferred fees, After five years	4,014	4,289
Total gross loans, net of deferred fees	23,428	25,733
Consumer Loan [Member] | Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	5,053	13,405
Total gross loans, net of deferred fees, After one but within five years	325	1,222
Total gross loans, net of deferred fees, After five years	33,977	26,844
Total gross loans, net of deferred fees	39,355	41,471
Consumer Loan [Member] | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	12,314	16,663
Total gross loans, net of deferred fees, After one but within five years	63,182	82,445
Total gross loans, net of deferred fees, After five years	421,188	299,137
Total gross loans, net of deferred fees	496,684	398,245
Consumer Loan [Member] | Home Equity Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	5,339	9,921
Total gross loans, net of deferred fees, After one but within five years	24,279	25,828
Total gross loans, net of deferred fees, After five years	132,177	143,989
Total gross loans, net of deferred fees	$ 161,795	$ 179,738