Borrowings (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Short-Term Debt [Line Items]
Secured credit availability	$ 659,000,000
Letters of credit	86,100,000	$ 6,100,000
Long-term debt	72,297,000	43,072,000
Subordinated Debt
Short-Term Debt [Line Items]
Long-term debt, gross	44,500,000	25,000,000
Subordinated Debt | Severn Bancorp, Inc.
Short-Term Debt [Line Items]
Long-term debt	18,600,000
Unamortized fair value adjustment	2,000,000
Trust Preferred Securities
Short-Term Debt [Line Items]
Long-term debt, gross	32,619,000	20,619,000
FHLB Advances
Short-Term Debt [Line Items]
Short-term debt	0	40,000,000
Federal Funds Line Of Credit And Reverse Repurchase Agreement | Line of Credit
Short-Term Debt [Line Items]
Short-term debt	45,000,000	45,000,000
September 2030 Subordinated Debentures | Subordinated Debt
Short-Term Debt [Line Items]
Long-term debt, gross	25,000,000	25,000,000
Long-term debt	24,800,000	18,300,000
October 2030 Subordinated Debentures | Subordinated Debt
Short-Term Debt [Line Items]
Long-term debt, gross	19,500,000	0
Severn Capital Trust I | Trust Preferred Securities
Short-Term Debt [Line Items]
Long-term debt, gross	20,619,000	20,619,000
Tri-County Capital Trust I | Subordinated Debt
Short-Term Debt [Line Items]
Long-term debt	6,400,000
Unamortized fair value adjustment	600,000
Tri-County Capital Trust I | Trust Preferred Securities
Short-Term Debt [Line Items]
Long-term debt, gross	7,000,000	0
Tri-County Capital Trust II | Subordinated Debt
Short-Term Debt [Line Items]
Long-term debt	4,200,000
Unamortized fair value adjustment	800,000
Tri-County Capital Trust II | Trust Preferred Securities
Short-Term Debt [Line Items]
Long-term debt, gross	$ 5,000,000	$ 0