Loans (Amortized Cost Basis of Loans by Class of Loans, Vintage and Risk Rating) (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		$ 260,703
Year one		704,594
Year two		236,815
Year three		249,591
Year four		406,182
Prior		1,302,766
Revolving Loans	[1]	65,674
Total Loans		3,226,325	$ 3,105,036
Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		7,746
Year one		36,360
Year two		17,545
Year three		7,339
Year four		12,620
Prior		4,529
Revolving Loans	[1]	17,731
Total Loans		103,870	90,386
Receivables converted to term loan		5,900
Commercial And Industrial [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		7,746
Year one		36,360
Year two		17,281
Year three		7,339
Year four		12,620
Prior		4,529
Revolving Loans	[1]	17,731
Total Loans		103,606
Commercial And Industrial [Member] | Watch [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year two		264
Total Loans		264
SBA Paycheck Protection Program [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year one		12,165
Year two		212
Total Loans		12,377	30,534
SBA Paycheck Protection Program [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year one		12,165
Year two		212
Total Loans		12,377
Commercial Mortgages [Member] | Multifamily Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		116,834
Year one		183,343
Year two		40,310
Year three		143,804
Year four		146,273
Prior		312,009
Revolving Loans	[1]	307
Total Loans		942,880	864,207
Commercial Mortgages [Member] | Other Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		60,606
Year one		231,887
Year two		116,826
Year three		38,371
Year four		46,946
Prior		239,551
Revolving Loans	[1]	72
Total Loans		734,259	700,872
Commercial Mortgages [Member] | Owner-occupied Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		20,699
Year one		63,248
Year two		23,710
Year three		42,385
Year four		2,928
Prior		40,095
Revolving Loans	[1]	342
Total Loans		193,407	171,533
Commercial Mortgages [Member] | Pass [Member] | Multifamily Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		116,834
Year one		183,343
Year two		40,310
Year three		143,804
Year four		143,884
Prior		305,607
Revolving Loans	[1]	307
Total Loans		934,089
Commercial Mortgages [Member] | Pass [Member] | Other Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		60,606
Year one		231,887
Year two		116,826
Year three		38,371
Year four		45,999
Prior		232,584
Revolving Loans	[1]	72
Total Loans		726,345
Commercial Mortgages [Member] | Pass [Member] | Owner-occupied Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		20,699
Year one		63,248
Year two		23,710
Year three		42,385
Year four		2,928
Prior		40,095
Revolving Loans	[1]	342
Total Loans		193,407
Commercial Mortgages [Member] | Watch [Member] | Multifamily Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year four		2,389
Total Loans		2,389
Commercial Mortgages [Member] | Watch [Member] | Other Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year four		947
Prior		1,170
Total Loans		2,117
Commercial Mortgages [Member] | Substandard [Member] | Multifamily Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior		6,402
Total Loans		6,402
Commercial Mortgages [Member] | Substandard [Member] | Other Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior		5,797
Total Loans		5,797
Residential Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		54,443
Year one		177,591
Year two		38,212
Year three		17,584
Year four		197,415
Prior		706,446
Revolving Loans	[1]	45,820
Total Loans		1,237,511
Receivables converted to term loan		8,800
Residential Mortgages [Member] | Closed-end [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total Loans		1,191,691	1,202,374
Residential Mortgages [Member] | Revolving Home Equity [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total Loans		45,820	44,139
Residential Mortgages [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		54,443
Year one		177,591
Year two		38,212
Year three		17,584
Year four		196,498
Prior		705,005
Revolving Loans	[1]	45,820
Total Loans		1,235,153
Residential Mortgages [Member] | Watch [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior		483
Total Loans		483
Residential Mortgages [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year four		917
Prior		958
Total Loans		1,875
Consumer And Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		375
Year three		108
Prior		136
Revolving Loans	[1]	1,402
Total Loans		2,021	$ 991
Consumer And Other [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		375
Year three		108
Prior		136
Revolving Loans	[1]	467
Total Loans		1,086
Consumer And Other [Member] | Not Rated [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Revolving Loans	[1]	935
Total Loans		$ 935

[1] Includes commercial and industrial and residential mortgage lines converted to term of $5.9 million and $8.8 million, respectively.