Loans (Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	$ 29,831	$ 33,037
Chargeoffs	4	550
Recoveries	27	103
Provision (Credit) for Credit Losses	433	(986)
Allowance for credit losses, ending balance	30,287	31,604
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	888	1,416
Chargeoffs	4	135
Recoveries	27	12
Provision (Credit) for Credit Losses	131	(150)
Allowance for credit losses, ending balance	1,042	1,143
SBA Paycheck Protection Program [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	46	209
Provision (Credit) for Credit Losses	(27)	60
Allowance for credit losses, ending balance	19	269
Commercial Mortgages [Member] | Multifamily Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	8,154	9,474
Chargeoffs		250
Provision (Credit) for Credit Losses	230	(150)
Allowance for credit losses, ending balance	8,384	9,074
Commercial Mortgages [Member] | Other Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	6,478	4,913
Provision (Credit) for Credit Losses	237	54
Allowance for credit losses, ending balance	6,715	4,967
Commercial Mortgages [Member] | Owner-occupied Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	2,515	1,905
Chargeoffs		165
Recoveries		91
Provision (Credit) for Credit Losses	207	80
Allowance for credit losses, ending balance	2,722	1,911
Residential Mortgages [Member] | Closed-end [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	11,298	14,706
Provision (Credit) for Credit Losses	(282)	(1,070)
Allowance for credit losses, ending balance	11,016	13,636
Residential Mortgages [Member] | Revolving Home Equity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	449	407
Provision (Credit) for Credit Losses	(73)	192
Allowance for credit losses, ending balance	376	599
Consumer And Other [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses, beginning balance	3	7
Provision (Credit) for Credit Losses	10	(2)
Allowance for credit losses, ending balance	$ 13	$ 5