Regulatory Capital Requirements (Schedule of Capital Amount and Ratios) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Common Equity Tier 1 Capital	$ 279,681
Total Risk Based Capital	336,696
Net Risk Weighted Assets	2,191,557
Adjusted Average Total Assets	$ 2,966,412
Common Equity Tier 1 ratio	12.76%
Tier 1 Risk-Based Capital Ratio	12.76
Total Risk-Based Capital Ratio	15.36
Tier 1 Leverage Ratio	9.43
Shore United Bank [Member]
Common Equity Tier 1 Capital	$ 304,362	$ 180,696
Total Risk Based Capital	318,614	194,885
Net Risk Weighted Assets	2,189,775	1,367,544
Adjusted Average Total Assets	$ 2,965,319	$ 1,857,802
Common Equity Tier 1 ratio	13.90%	13.21%
Tier 1 Risk-Based Capital Ratio	13.90	13.21
Total Risk-Based Capital Ratio	14.55	14.25
Tier 1 Leverage Ratio	9.48	9.73