Loans and Allowance for Credit Losses (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	$ 1,908	$ 2,004
Mortgage loans in process of foreclosure, amount	18	203
Loans and leases receivable, net amount, total	2,539,464	2,105,231
Financing receivable origination fee, net	$ 1,400	$ 1,200
Allowance from loan losses, as a percentage of total loans	0.65%	0.66%
Allowance from loan losses excluding PPP loans, as a percentage of total loans	0.65%	0.67%
Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Amount of Loans Authorized	$ 187	$ 27,600
Federal National Mortgage Association
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net amount, total	343,800
Federal Home Loan Mortgage Corporation
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net amount, total	74,100
Directors, Associates and Policy Making Officers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, related parties	24,100	18,700
Loans and leases receivable, related parties, additions	7,600	16,500
Loans and leases receivable, related parties, proceeds	2,200	1,500
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	1,259	803
Mortgage loans in process of foreclosure, amount	263	311
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	22,900	39,900
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable, Related Discount	298	516
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	372,200	553,000
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable, Related Discount	6,700	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	1,900	2,000
Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, recorded investment, nonaccrual status	$ 0	$ 0