XML 132 R120.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Securities Available For Sale:    
Securities available for sale $ 685,720us-gaap_AvailableForSaleSecurities $ 685,991us-gaap_AvailableForSaleSecurities
Trading Securities:    
Trading securities 4,505us-gaap_TradingSecurities 4,127us-gaap_TradingSecurities
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Securities Available For Sale:    
Securities available for sale 1,002us-gaap_AvailableForSaleSecurities
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Trading Securities:    
Trading securities 4,296us-gaap_TradingSecurities
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Liabilities,    
Interest rate swaps 0us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
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Significant Other Observable Inputs (Level 2) [Member]    
Securities Available For Sale:    
Securities available for sale 683,813us-gaap_AvailableForSaleSecurities
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Trading Securities:    
Trading securities 209us-gaap_TradingSecurities
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Liabilities,    
Interest rate swaps (946)us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
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Significant Unobservable Inputs (Level 3) [Member]    
Securities Available For Sale:    
Securities available for sale 905us-gaap_AvailableForSaleSecurities
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Trading Securities:    
Trading securities 0us-gaap_TradingSecurities
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Liabilities,    
Interest rate swaps 0us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
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Fair Value Measurement on Recurring Basis [Member]    
Securities Available For Sale:    
Securities available for sale 685,720us-gaap_AvailableForSaleSecurities
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Trading Securities:    
Trading securities 4,505us-gaap_TradingSecurities
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Fair Value Measurement on Recurring Basis [Member] | U.S. Treasury [Member]    
Securities Available For Sale:    
Securities available for sale   0us-gaap_AvailableForSaleSecurities
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Fair Value Measurement on Recurring Basis [Member] | U.S. Government Sponsored Entities [Member]    
Securities Available For Sale:    
Securities available for sale 155,564us-gaap_AvailableForSaleSecurities
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Trading Securities:    
Trading securities 54us-gaap_TradingSecurities
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Fair Value Measurement on Recurring Basis [Member] | States and Political Subdivisions [Member]    
Securities Available For Sale:    
Securities available for sale 181,002us-gaap_AvailableForSaleSecurities
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Fair Value Measurement on Recurring Basis [Member] | Residential and Multi-Family Mortgage [Member]    
Securities Available For Sale:    
Securities available for sale 265,164us-gaap_AvailableForSaleSecurities
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Securities Available For Sale:    
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Fair Value Measurement on Recurring Basis [Member] | Corporate Notes and Bonds [Member]    
Securities Available For Sale:    
Securities available for sale 19,430us-gaap_AvailableForSaleSecurities
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Trading Securities:    
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Fair Value Measurement on Recurring Basis [Member] | Pooled Trust Preferred [Member]    
Securities Available For Sale:    
Securities available for sale 905us-gaap_AvailableForSaleSecurities
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Fair Value Measurement on Recurring Basis [Member] | Pooled SBA [Member]    
Securities Available For Sale:    
Securities available for sale 62,653us-gaap_AvailableForSaleSecurities
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Securities Available For Sale:    
Securities available for sale 1,002us-gaap_AvailableForSaleSecurities
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Fair Value Measurement on Recurring Basis [Member] | Corporate Equity Securities [Member]    
Trading Securities:    
Trading securities 3,044us-gaap_TradingSecurities
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Trading Securities:    
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Trading Securities:    
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Fair Value Measurement on Recurring Basis [Member] | Money Market Mutual Funds [Member]    
Trading Securities:    
Trading securities 132us-gaap_TradingSecurities
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Trading securities 155us-gaap_TradingSecurities
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Trading Securities:    
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Trading Securities:    
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Trading Securities:    
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Fair Value Measurement on Recurring Basis [Member] | Interest Rate Swaps [Member]    
Liabilities,    
Interest rate swaps (946)us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
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Securities Available For Sale:    
Securities available for sale 1,002us-gaap_AvailableForSaleSecurities
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Fair Value Measurement on Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Treasury [Member]    
Securities Available For Sale:    
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Fair Value Measurement on Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Government Sponsored Entities [Member]    
Securities Available For Sale:    
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Securities Available For Sale:    
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Securities Available For Sale:    
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Securities Available For Sale:    
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Securities Available For Sale:    
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