Investment Securities Summary of Cumulative Other-than-Temporary Impairment Charges Recognized in Earnings for Pooled Trust Preferred Securities Held (Details) (Pooled trust preferred securities, USD $) In Thousands, unless otherwise specified
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12 Months Ended |
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Pooled trust preferred securities
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Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward] |
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Balance of cumulative credit losses on debt securities, beginning of year |
$ (20,691)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
$ (23,079)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
$ (22,781)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
Additions for credit losses recorded which were not previously recognized as components of earnings |
(18)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
(97)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
(453)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
Reductions for securities sold during the period |
4,460us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
2,468us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
Reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security |
7us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
17us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
155us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
Balance of cumulative credit losses on debt securities, end of year |
$ (16,242)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
$ (20,691)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |
$ (23,079)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld / us-gaap_DebtSecurityAxis = fult_PooledTrustPreferredSecuritiesMember |