Regulatory Capital Requirements (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital	$ 169,905	$ 158,108
Capital to Risk Weighted Assets	15.91%	15.98%
Capital Required for Capital Adequacy	$ 85,431	$ 78,954
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	$ 106,789	$ 98,693
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Tier One Risk Based Capital	$ 158,795	$ 148,072
Tier One Risk Based Capital to Risk Weighted Assets	14.87%	14.97%
Tier One Risk Based Capital Required for Capital Adequacy	$ 64,073	$ 59,216
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	$ 85,431	$ 78,954
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Common equity, Amount	$ 132,938	$ 124,064
Common equity, Ratio	12.45%	12.54%
Common equity, Required For Capital Adequacy Purposes, Amount	$ 48,055	$ 44,412
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	$ 69,413	$ 64,150
Common equity, Required To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier One Leverage Capital	$ 158,795	$ 148,072
Tier One Leverage Capital to Average Assets	11.47%	11.00%
Tier One Leverage Capital Required for Capital Adequacy	$ 55,136	$ 53,646
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	$ 68,920	$ 67,058
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	$ 157,631	$ 145,921
Capital to Risk Weighted Assets	15.43%	15.58%
Capital Required for Capital Adequacy	$ 81,729	$ 74,739
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	$ 102,162	$ 93,424
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Tier One Risk Based Capital	$ 146,521	$ 135,885
Tier One Risk Based Capital to Risk Weighted Assets	14.35%	14.51%
Tier One Risk Based Capital Required for Capital Adequacy	$ 61,297	$ 56,054
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	$ 81,729	$ 74,739
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Common equity, Amount	$ 146,521	$ 135,885
Common equity, Ratio	14.35%	14.51%
Common equity, Required For Capital Adequacy Purposes, Amount	$ 45,973	$ 42,041
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	$ 66,405	$ 60,726
Common equity, Required To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier One Leverage Capital	$ 146,521	$ 135,885
Tier One Leverage Capital to Average Assets	10.70%	10.21%
Tier One Leverage Capital Required for Capital Adequacy	$ 54,338	$ 52,801
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	$ 67,922	$ 66,001
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%

Common equity, tier one risk based capital.

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Common equity, tier one risk based capital required for capital adequacy.

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Common equity, tier one risk based capital required for capital adequacy to risk weighted assets

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Common equity, tier one risk based capital required to be well capitalized.

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Common equity, tier one risk based capital required to be well capitalized to risk weighted assets

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Common equity, tier one risk based capital to risk weighted assets.

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The amount of total capital as defined in the regulations.

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The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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