Proposed Merger (Details) $ / shares in Units, $ in Thousands		6 Months Ended
	Mar. 03, 2021 $ / shares shares	Jun. 30, 2021 USD ($) Office	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Percentage of ownership Interests	59.60%
Assets		$ 2,120,260	$ 1,933,315
Severn Bancorp, Inc.
Business Acquisition [Line Items]
Percentage of ownership Interests	40.40%
Severn Bancorp, Inc.
Business Acquisition [Line Items]
Number of Shares to be Issued for each share | shares	0.6207
Cash Payment for Each Share | $ / shares	$ 1.59
Number of Community Banking Offices | Office		7
Severn Bancorp, Inc. | Minimum
Business Acquisition [Line Items]
Assets		$ 1,100,000