Loans and Allowance for Loan Losses (Schedule of Loan Maturity Distribution by Type and Related Interest Rate) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	$ 223,497	$ 257,561
Total gross loans, net of deferred fees, After one but within five years	739,241	705,670
Total gross loans, net of deferred fees, After five years	1,074,063	980,294
Total gross loans, net of deferred fees	2,036,801	1,943,525
Loans maturing after one year with: fixed interest rates	1,455,803	1,310,744
Loans maturing after one year with: floating interest rates	357,501	375,220
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	184,331	211,150
Total gross loans, net of deferred fees, After one but within five years	633,127	581,153
Total gross loans, net of deferred fees, After five years	539,939	506,035
Total gross loans, net of deferred fees	1,357,397	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	31,396	40,476
Total gross loans, net of deferred fees, After one but within five years	147,219	147,945
Total gross loans, net of deferred fees, After five years	242,243	219,430
Total gross loans, net of deferred fees	420,858	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	59,676	55,187
Total gross loans, net of deferred fees, After one but within five years	306,178	267,879
Total gross loans, net of deferred fees, After five years	188,712	178,812
Total gross loans, net of deferred fees	554,566	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	84,691	84,452
Total gross loans, net of deferred fees, After one but within five years	147,433	146,051
Total gross loans, net of deferred fees, After five years	78,088	77,620
Total gross loans, net of deferred fees	310,212	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	8,568	31,035
Total gross loans, net of deferred fees, After one but within five years	32,297	19,278
Total gross loans, net of deferred fees, After five years	30,896	30,173
Total gross loans, net of deferred fees	71,761	80,486
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	39,166	46,411
Total gross loans, net of deferred fees, After one but within five years	106,114	124,517
Total gross loans, net of deferred fees, After five years	534,124	474,259
Total gross loans, net of deferred fees	679,404	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	5,507	6,422
Total gross loans, net of deferred fees, After one but within five years	12,587	15,022
Total gross loans, net of deferred fees, After five years	4,200	4,289
Total gross loans, net of deferred fees	22,294	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	9,067	13,405
Total gross loans, net of deferred fees, After one but within five years	1,317	1,222
Total gross loans, net of deferred fees, After five years	35,245	26,844
Total gross loans, net of deferred fees	45,629	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	16,360	16,663
Total gross loans, net of deferred fees, After one but within five years	66,357	82,445
Total gross loans, net of deferred fees, After five years	355,025	299,137
Total gross loans, net of deferred fees	437,742	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	8,232	9,921
Total gross loans, net of deferred fees, After one but within five years	25,853	25,828
Total gross loans, net of deferred fees, After five years	139,654	143,989
Total gross loans, net of deferred fees	$ 173,739	$ 179,738