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Borrowings (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Oct. 31, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Long-term Federal Home Loan Bank Advances	$ 10,135
Severn Bancorp, Inc.
Short-term Debt [Line Items]
Advances from FHLB - long-term		$ 10,000
Purchase premium		$ 162
Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Effective Percentage		2.19%
Line of Credit [Member] \| Federal Funds Line Of Credit And Reverse Repurchase Agreement [Member]
Short-term Debt [Line Items]
Short-term Debt, Total	15,000		$ 15,000
Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Short-term Debt, Total	0		0
Federal Home Loan Bank Advances [Member] \| Secured Credit [Member]
Short-term Debt [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	$ 363,900		$ 316,700