Loans (Loans Outstanding By Class Of Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	$ 3,333,203	$ 3,105,036
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	112,873	90,386
SBA Paycheck Protection Program [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	193	30,534
Commercial Mortgages [Member] | Multifamily Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	927,717	864,207
Commercial Mortgages [Member] | Other Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	793,592	700,872
Commercial Mortgages [Member] | Owner-occupied Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	220,905	171,533
Residential Mortgages [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	1,276,281
Residential Mortgages [Member] | Closed-end [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	1,233,005	1,202,374
Residential Mortgages [Member] | Revolving Home Equity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	43,276	44,139
Consumer And Other [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans outstanding	$ 1,642	$ 991