Loans and Allowance for Credit Losses (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) loan contract
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, post-modification recorded investment		$ 1,506
Financing receivable, modifications, number of contracts | contract		1
Financing receivable, recorded investment, nonaccrual status	$ 2,004	$ 5,455
Mortgage loans in process of foreclosure, amount	203	0
Loans and leases receivable, net amount, total	2,105,231	1,440,368
Financing receivable origination fee, net	1,200	$ 622
Deferrals Of Principal And Or Interest On Outstanding Loan Balances	221,100
Other real estate owned, net	$ 532
Allowance from loan losses, as a percentage of total loans	0.66%	0.95%
Allowance from loan losses excluding PPP loans, as a percentage of total loans	0.67%	1.04%
Cares Act And Consolidated Appropriates Act Paycheck Protection Program [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of loans funded | loan		2,454
Amount of loans funded		$ 196,300
Financing Receivable, Amount of Loans Authorized		$ 122,800
Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of loans funded | loan		959
Amount of loans funded		$ 67,300
Financing Receivable, Amount of Loans Authorized	$ 27,600
Federal National Mortgage Association
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net amount, total	301,400
Federal Home Loan Mortgage Corporation
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net amount, total	69,800
Directors, Associates and Policy Making Officers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, related parties	18,700	3,700
Loans and leases receivable, related parties, additions	16,500
Loans and leases receivable, related parties, proceeds	1,500
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	803	1,585
Mortgage loans in process of foreclosure, amount	311	0
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status		28
Northwest Bank Branches [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable Net of Allowance	39,900	52,300
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable, Related Discount	516	754
Severn Bancorp, Inc.
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, related parties, additions	15,400
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable Net of Allowance	553,000
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable, Related Discount	8,400
Financing Receivable, Amount of Loans Authorized	9,200
Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	0	0
Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	2,000	5,500
Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	$ 0	$ 0