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Regulatory Capital Requirements (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital	$ 182,941	$ 169,905
Capital to Risk Weighted Assets	16.29%	15.91%
Capital Required for Capital Adequacy	$ 89,837	$ 85,431
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	$ 112,296	$ 106,789
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Tier One Risk Based Capital	$ 170,326	$ 158,795
Tier One Risk Based Capital to Risk Weighted Assets	15.17%	14.87%
Tier One Risk Based Capital Required for Capital Adequacy	$ 67,378	$ 64,073
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	6.00%
Tier One Risk Based Capital Required to be Well Capitalized	$ 89,837	$ 85,431
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Common equity, Amount	$ 143,614	$ 132,938
Common equity, Ratio	12.79%	12.45%
Common equity, Required For Capital Adequacy Purposes, Amount	$ 50,533	$ 48,055
Common equity, Required For Capital Adequacy Purposes, Ratio	4.50%	4.50%
Common equity, Required To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 72,992	$ 69,413
Common equity, Required To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier One Leverage Capital	$ 170,326	$ 158,795
Tier One Leverage Capital to Average Assets	11.77%	11.47%
Tier One Leverage Capital Required for Capital Adequacy	$ 57,491	$ 55,136
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	$ 71,864	$ 68,920
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%
First United Bank & Trust [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital	$ 169,943	$ 157,631
Capital to Risk Weighted Assets	15.60%	15.43%
Capital Required for Capital Adequacy	$ 87,159	$ 81,729
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	$ 108,948	$ 102,162
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Tier One Risk Based Capital	$ 157,328	$ 146,521
Tier One Risk Based Capital to Risk Weighted Assets	14.44%	14.35%
Tier One Risk Based Capital Required for Capital Adequacy	$ 65,369	$ 61,297
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	6.00%
Tier One Risk Based Capital Required to be Well Capitalized	$ 87,159	$ 81,729
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Common equity, Amount	$ 157,328	$ 146,521
Common equity, Ratio	14.44%	14.35%
Common equity, Required For Capital Adequacy Purposes, Amount	$ 49,027	$ 45,973
Common equity, Required For Capital Adequacy Purposes, Ratio	4.50%	4.50%
Common equity, Required To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 70,817	$ 66,405
Common equity, Required To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier One Leverage Capital	$ 157,328	$ 146,521
Tier One Leverage Capital to Average Assets	10.99%	10.70%
Tier One Leverage Capital Required for Capital Adequacy	$ 56,729	$ 54,338
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	$ 70,912	$ 67,922
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%

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