Loans And The Allowance For Loan Losses (Data, At Class Level, Of Credit Quality Indicators Of Certain Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2020		Dec. 31, 2019	Jun. 30, 2019
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	$ 1,692,509		$ 1,224,997	$ 1,211,061
Total Real Estate Loans [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	1,249,208		971,874
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	799,587	[1]	742,884	711,349	[1]
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating, Acceptable Or Better [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	382,646		524,943
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating, Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	366,816		184,657
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating, Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	29,255		24,084
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Corporate Credit Exposure—By Credit Rating, Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	20,870		9,200
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	101,991		97,848
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating, Acceptable Or Better [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	60,145		73,646
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating, Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	31,324		13,380
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating, Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	8,316		8,359
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Construction [Member] | Corporate Credit Exposure—By Credit Rating, Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	2,206		2,463
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	697,596		645,036
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating, Acceptable Or Better [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	322,501		451,297
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating, Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	335,492		171,277
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating, Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	20,939		15,725
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | Mortgages [Member] | Corporate Credit Exposure—By Credit Rating, Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	18,664		6,737
Commercial And Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	439,689		251,197
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating, Acceptable Or Better [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	341,667		165,255
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating, Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	76,693		68,665
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating, Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	11,100		7,631
Commercial And Industrial [Member] | Corporate Credit Exposure—By Credit Rating, Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	10,229		$ 9,646
Commercial And Industrial [Member] | Total Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	$ 439,689			$ 267,505

[1] Includes construction loans