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Loans and Allowance for Loan Losses (Schedule of Loan Maturity Distribution by Type and Related Interest Rate) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	$ 148,840	$ 187,173
Total gross loans, net of deferred fees, After one but within five years	697,434	719,369
Total gross loans, net of deferred fees, After five years	1,542,773	1,236,325
Total gross loans, net of deferred fees	2,389,047	2,142,867
Loans maturing after one year with: fixed interest rates	1,883,823	1,590,171
Loans maturing after one year with: floating interest rates	356,384	365,523
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	122,732	160,077
Total gross loans, net of deferred fees, After one but within five years	604,875	628,024
Total gross loans, net of deferred fees, After five years	767,389	599,554
Total gross loans, net of deferred fees	1,494,996	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	11,666	21,824
Total gross loans, net of deferred fees, After one but within five years	22,095	15,785
Total gross loans, net of deferred fees, After five years	54,131	23,858
Total gross loans, net of deferred fees	87,892	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	17,069	22,232
Total gross loans, net of deferred fees, After one but within five years	121,176	136,031
Total gross loans, net of deferred fees, After five years	332,369	275,057
Total gross loans, net of deferred fees	470,614	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	32,463	39,359
Total gross loans, net of deferred fees, After one but within five years	315,742	335,249
Total gross loans, net of deferred fees, After five years	280,316	210,661
Total gross loans, net of deferred fees	628,521	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	61,534	76,662
Total gross loans, net of deferred fees, After one but within five years	145,862	140,959
Total gross loans, net of deferred fees, After five years	100,573	89,978
Total gross loans, net of deferred fees	307,969	307,599
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans, net of deferred fees, One year or less	26,108	27,096
Total gross loans, net of deferred fees, After one but within five years	92,559	91,345
Total gross loans, net of deferred fees, After five years	775,384	636,771
Total gross loans, net of deferred fees	894,051	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	703	1,629
Total gross loans, net of deferred fees, After one but within five years	1,831	1,234
Total gross loans, net of deferred fees, After five years	54,885	37,662
Total gross loans, net of deferred fees	57,419	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	14,126	14,205
Total gross loans, net of deferred fees, After one but within five years	46,753	54,863
Total gross loans, net of deferred fees, After five years	587,397	467,243
Total gross loans, net of deferred fees	648,276	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	3,099	4,824
Total gross loans, net of deferred fees, After one but within five years	22,683	23,835
Total gross loans, net of deferred fees, After five years	129,267	128,298
Total gross loans, net of deferred fees	155,049	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	8,180	6,438
Total gross loans, net of deferred fees, After one but within five years	21,292	11,413
Total gross loans, net of deferred fees, After five years	3,835	3,568
Total gross loans, net of deferred fees	$ 33,307	$ 21,419

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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