Regulatory Matters (Details) (USD $)	12 Months Ended
Dec. 31, 2014 banks	Dec. 31, 2013 banks
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Amount available for dividend distribution without affecting capital adequacy requirements	$ 243,000,000
Maximum allowed percentage of loans issued to a single affiliate	10.00%
Maximum allowed percentage of aggregate loans issued to all affiliate	20.00%
Significant subidiaries	4fult_NumberOfSignificantSubidiaries	4fult_NumberOfSignificantSubidiaries
Excess tier one risk based capital	1,000,000,000	1,000,000,000
Total Capital [Abstract]
Capital	1,970,569,000us-gaap_Capital	1,987,737,000us-gaap_Capital
Capital to risk weighted assets	14.70%us-gaap_CapitalToRiskWeightedAssets	15.00%us-gaap_CapitalToRiskWeightedAssets
Capital required for capital adequacy	1,076,013,000	1,056,974,000
Capital required for capital adequacy to risk weighted assets	8.00%	8.00%
Tier One Risk Based Capital [Abstract]
Tier one risk based capital	1,655,853,000us-gaap_TierOneRiskBasedCapital	1,736,567,000us-gaap_TierOneRiskBasedCapital
Tier one risk based capital to risk weighted assets	12.30%	13.10%
Tier one risk based capital required for capital adequacy	538,007,000	528,487,000
Tier one risk based capital required for capital adequacy to risk weighted assets	4.00%	4.00%
Tier One Leverage Capital [Abstract]
Tier one leverage capital	1,655,853,000us-gaap_TierOneLeverageCapital	1,736,567,000us-gaap_TierOneLeverageCapital
Tier one leverage capital to average assets	10.00%	10.60%
Tier one leverage capital required for capital adequacy	663,421,000	654,532,000
Tier one leverage capital required for capital adequacy to average assets	4.00%	4.00%
Fulton Bank, N.A.
Total Capital [Abstract]
Capital	1,065,445,000	1,053,214,000
Capital to risk weighted assets	13.20%	13.10%
Capital required for capital adequacy	643,791,000	641,218,000
Capital required for capital adequacy to risk weighted assets	8.00%	8.00%
Capital required to be well capitalized	804,739,000	801,523,000
Capital required to be well capitalized to risk weighted assets	10.00%	10.00%
Tier One Risk Based Capital [Abstract]
Tier one risk based capital	977,547,000	941,546,000
Tier one risk based capital to risk weighted assets	12.10%	11.80%
Tier one risk based capital required for capital adequacy	321,896,000	320,609,000
Tier one risk based capital required for capital adequacy to risk weighted assets	4.00%	4.00%
Tier one risk based capital required to be well capitalized	482,843,000	480,914,000
Tier one risk based capital required to be well capitalized to risk weighted assets	6.00%	6.00%
Tier One Leverage Capital [Abstract]
Tier one leverage capital	977,547,000	941,546,000
Tier one leverage capital to average assets	10.50%	10.00%
Tier one leverage capital required for capital adequacy	373,288,000	375,647,000
Tier one leverage capital required for capital adequacy to average assets	4.00%	4.00%
Tier one leverage capital required to be well capitalized	466,610,000	469,558,000
Tier one leverage capital required to be well capitalized to average assets	5.00%	5.00%
Fulton Bank of New Jersey
Total Capital [Abstract]
Capital	347,235,000	343,341,000
Capital to risk weighted assets	13.10%	13.80%
Capital required for capital adequacy	211,823,000	199,120,000
Capital required for capital adequacy to risk weighted assets	8.00%	8.00%
Capital required to be well capitalized	264,779,000	248,900,000
Capital required to be well capitalized to risk weighted assets	10.00%	10.00%
Tier One Risk Based Capital [Abstract]
Tier one risk based capital	313,843,000	308,210,000
Tier one risk based capital to risk weighted assets	11.90%	12.40%
Tier one risk based capital required for capital adequacy	105,911,000	99,560,000
Tier one risk based capital required for capital adequacy to risk weighted assets	4.00%	4.00%
Tier one risk based capital required to be well capitalized	158,867,000	149,340,000
Tier one risk based capital required to be well capitalized to risk weighted assets	6.00%	6.00%
Tier One Leverage Capital [Abstract]
Tier one leverage capital	313,843,000	308,210,000
Tier one leverage capital to average assets	9.40%	9.60%
Tier one leverage capital required for capital adequacy	133,580,000	128,250,000
Tier one leverage capital required for capital adequacy to average assets	4.00%	4.00%
Tier one leverage capital required to be well capitalized	166,975,000	160,312,000
Tier one leverage capital required to be well capitalized to average assets	5.00%	5.00%
The Columbia Bank
Total Capital [Abstract]
Capital	203,109,000	215,648,000
Capital to risk weighted assets	13.50%	15.40%
Capital required for capital adequacy	119,934,000	111,675,000
Capital required for capital adequacy to risk weighted assets	8.00%	8.00%
Capital required to be well capitalized	149,917,000	139,594,000
Capital required to be well capitalized to risk weighted assets	10.00%	10.00%
Tier One Risk Based Capital [Abstract]
Tier one risk based capital	184,331,000	198,135,000
Tier one risk based capital to risk weighted assets	12.30%	14.20%
Tier one risk based capital required for capital adequacy	59,967,000	55,837,000
Tier one risk based capital required for capital adequacy to risk weighted assets	4.00%	4.00%
Tier one risk based capital required to be well capitalized	89,950,000	83,756,000
Tier one risk based capital required to be well capitalized to risk weighted assets	6.00%	6.00%
Tier One Leverage Capital [Abstract]
Tier one leverage capital	184,331,000	198,135,000
Tier one leverage capital to average assets	9.40%	10.60%
Tier one leverage capital required for capital adequacy	78,186,000	75,098,000
Tier one leverage capital required for capital adequacy to average assets	4.00%	4.00%
Tier one leverage capital required to be well capitalized	97,733,000	93,873,000
Tier one leverage capital required to be well capitalized to average assets	5.00%	5.00%
Lafayette Ambassador Bank
Total Capital [Abstract]
Capital	167,800,000	155,475,000
Capital to risk weighted assets	15.90%	14.20%
Capital required for capital adequacy	84,407,000	87,566,000
Capital required for capital adequacy to risk weighted assets	8.00%	8.00%
Capital required to be well capitalized	105,508,000	109,458,000
Capital required to be well capitalized to risk weighted assets	10.00%	10.00%
Tier One Risk Based Capital [Abstract]
Tier one risk based capital	154,817,000	140,733,000
Tier one risk based capital to risk weighted assets	14.70%	12.90%
Tier one risk based capital required for capital adequacy	42,203,000	43,783,000
Tier one risk based capital required for capital adequacy to risk weighted assets	4.00%	4.00%
Tier one risk based capital required to be well capitalized	63,305,000	65,675,000
Tier one risk based capital required to be well capitalized to risk weighted assets	6.00%	6.00%
Tier One Leverage Capital [Abstract]
Tier one leverage capital	154,817,000	140,733,000
Tier one leverage capital to average assets	10.80%	10.10%
Tier one leverage capital required for capital adequacy	57,132,000	55,563,000
Tier one leverage capital required for capital adequacy to average assets	4.00%	4.00%
Tier one leverage capital required to be well capitalized	$ 71,416,000	$ 69,454,000
Tier one leverage capital required to be well capitalized to average assets	5.00%	5.00%

Compliance With Regulatory Capital Requirements Under Banking Regulations In Excess Of Threshold Amount

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Maximum Allowed Percentage Of Aggregate Loans Issued To All Affiliate

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Maximum Allowed Percentage Of Loans Issued To A Single Affiliate

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Number of significant subsidiaries, defined as those bank subsidiaries with total assets greater than $1 billion at December 31

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The amount of dividends that can be declared or paid without affecting the banking or savings institution's regulatory capital position.

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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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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 amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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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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