Loans and Allowance for Loan Losses (Schedule of Loan Maturity Distribution by Type and Related Interest Rate) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	$ 168,077	$ 187,173
Total gross loans, net of deferred fees, After one but within five years	708,074	719,369
Total gross loans, net of deferred fees, After five years	1,377,984	1,236,325
Total gross loans, net of deferred fees	2,254,135	2,142,867
Loans maturing after one year with: fixed interest rates	1,741,543	1,590,171
Loans maturing after one year with: floating interest rates	344,515	365,523
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	141,594	160,077
Total gross loans, net of deferred fees, After one but within five years	614,403	628,024
Total gross loans, net of deferred fees, After five years	664,946	599,554
Total gross loans, net of deferred fees	1,420,943	1,387,655
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	18,887	21,824
Total gross loans, net of deferred fees, After one but within five years	15,966	15,785
Total gross loans, net of deferred fees, After five years	25,933	23,858
Total gross loans, net of deferred fees	60,786	61,467
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	17,627	22,232
Total gross loans, net of deferred fees, After one but within five years	133,316	136,031
Total gross loans, net of deferred fees, After five years	301,187	275,057
Total gross loans, net of deferred fees	452,130	433,320
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	34,352	39,359
Total gross loans, net of deferred fees, After one but within five years	324,514	335,249
Total gross loans, net of deferred fees, After five years	241,228	210,661
Total gross loans, net of deferred fees	600,094	585,269
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	70,728	76,662
Total gross loans, net of deferred fees, After one but within five years	140,607	140,959
Total gross loans, net of deferred fees, After five years	96,598	89,978
Total gross loans, net of deferred fees	307,933	307,599
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	26,483	27,096
Total gross loans, net of deferred fees, After one but within five years	93,671	91,345
Total gross loans, net of deferred fees, After five years	713,038	636,771
Total gross loans, net of deferred fees	833,192	755,212
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	2,688	1,629
Total gross loans, net of deferred fees, After one but within five years	1,531	1,234
Total gross loans, net of deferred fees, After five years	43,858	37,662
Total gross loans, net of deferred fees	48,077	40,525
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	11,848	14,205
Total gross loans, net of deferred fees, After one but within five years	51,828	54,863
Total gross loans, net of deferred fees, After five years	541,350	467,243
Total gross loans, net of deferred fees	605,026	536,311
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	3,065	4,824
Total gross loans, net of deferred fees, After one but within five years	22,918	23,835
Total gross loans, net of deferred fees, After five years	123,806	128,298
Total gross loans, net of deferred fees	149,789	156,957
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	8,882	6,438
Total gross loans, net of deferred fees, After one but within five years	17,394	11,413
Total gross loans, net of deferred fees, After five years	4,024	3,568
Total gross loans, net of deferred fees	$ 30,300	$ 21,419