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FAIR VALUE (Details 3) (Level 3, Recurring basis, USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2013
State and municipal      
Reconciliation and income statement classification of gains and losses      
Balance at the beginning of the period $ 12,810us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USStatesAndPoliticalSubdivisionsMember
$ 14,420us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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Included in other comprehensive income   14us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
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Settlements (439)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
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(417)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
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Balance at the end of the period 12,371us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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14,017us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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Equity securities      
Reconciliation and income statement classification of gains and losses      
Balance at the beginning of the period     250us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_EquitySecuritiesMember
Balance at the end of the period   250us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_FairValueInputsLevel3Member
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250us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_EquitySecuritiesMember
Other securities      
Reconciliation and income statement classification of gains and losses      
Balance at the beginning of the period 2,503us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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2,526us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_OtherDebtSecuritiesMember
 
Included in other comprehensive income 35us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
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(8)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
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= us-gaap_OtherDebtSecuritiesMember
 
Balance at the end of the period $ 2,538us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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$ 2,518us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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