Loans and Allowance for Credit Losses (Narrative) (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) item	Dec. 31, 2021 USD ($) item
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	$ 1,949	$ 2,004
Mortgage loans in process of foreclosure, amount	18	203
Loans and leases receivable, net amount, total	$ 2,385,606	$ 2,105,231
Allowance from loan losses, as a percentage of total loans	0.68%	0.66%
Allowance from loan losses excluding PPP loans, as a percentage of total loans	0.84%	0.93%
Cares Act And Consolidated Appropriates Act Paycheck Protection Program [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Amount of Loans Authorized		$ 27,600
Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Amount of Loans Authorized	$ 291
Federal National Mortgage Association
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net amount, total	346,900
Federal Home Loan Mortgage Corporation
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net amount, total	74,500
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	1,281	803
Mortgage loans in process of foreclosure, amount	$ 81	$ 311
Number of residential real estate property | item	1	1
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]
Deferred costs, net of fees	967	$ 1,200
Discounts On Acquired Loans	332	516
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable Net of Allowance	24,700	39,900
Severn Bancorp, Inc.
Financing Receivable, Allowance for Credit Losses [Line Items]
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable Net of Allowance	407,800	553,000
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable, Related Discount	7,300	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	2,000
Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	$ 0	$ 0