Loans (Aging Of The Recorded Investment In Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Loans	$ 3,335,547	$ 3,105,036
Nonaccrual - With No Allowance for Credit Loss	260	1,235
Total Past Due Loans & Nonaccrual Loans	453	1,695
Current	3,335,094	3,103,341
Total Loans	3,335,547	3,105,036
Commercial And Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans	108,049	90,386
Total Past Due Loans & Nonaccrual Loans		128
Current	108,049	90,258
Total Loans	108,049	90,386
SBA Paycheck Protection Program [Member]
Financing Receivable, Past Due [Line Items]
Loans	4,427	30,534
Total Past Due Loans & Nonaccrual Loans	193	259
Current	4,234	30,275
Total Loans	4,427	30,534
Commercial Mortgages [Member]
Financing Receivable, Past Due [Line Items]
Total Loans	1,948,321	1,736,612
Commercial Mortgages [Member] | Multifamily Loan [Member]
Financing Receivable, Past Due [Line Items]
Loans	959,242	864,207
Current	959,242	864,207
Total Loans	959,242	864,207
Commercial Mortgages [Member] | Other Loan [Member]
Financing Receivable, Past Due [Line Items]
Loans	772,922	700,872
Current	772,922	700,872
Total Loans	772,922	700,872
Commercial Mortgages [Member] | Owner-occupied Loan [Member]
Financing Receivable, Past Due [Line Items]
Loans	216,157	171,533
Current	216,157	171,533
Total Loans	216,157	171,533
Residential Mortgages [Member]
Financing Receivable, Past Due [Line Items]
Loans	1,273,536
Residential Mortgages [Member] | Closed-end [Member]
Financing Receivable, Past Due [Line Items]
Loans	1,228,607	1,202,374
Nonaccrual - With No Allowance for Credit Loss	260	1,235
Total Past Due Loans & Nonaccrual Loans	260	1,235
Current	1,228,347	1,201,139
Total Loans	1,228,607	1,202,374
Residential Mortgages [Member] | Revolving Home Equity [Member]
Financing Receivable, Past Due [Line Items]
Loans	44,929	44,139
Current	44,929	44,139
Total Loans	44,929	44,139
Consumer And Other [Member]
Financing Receivable, Past Due [Line Items]
Loans	1,214	991
Total Past Due Loans & Nonaccrual Loans		73
Current	1,214	918
Total Loans	1,214	991
30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans		460
30 to 59 Days Past Due [Member] | Commercial And Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans		128
30 to 59 Days Past Due [Member] | SBA Paycheck Protection Program [Member]
Financing Receivable, Past Due [Line Items]
Loans		259
30 to 59 Days Past Due [Member] | Consumer And Other [Member]
Financing Receivable, Past Due [Line Items]
Loans		$ 73
60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	193
60 to 89 Days Past Due [Member] | SBA Paycheck Protection Program [Member]
Financing Receivable, Past Due [Line Items]
Loans	$ 193