Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months Net Of Tax

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- Definition

Maximum exposure under credit risk agreement assuming customer default.

+ References

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- Definition

Period to reclassification of cash flow hedge gain loss.

+ References

No definition available.

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

High end period remaining until maturity for the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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- Definition

Low end period remaining until maturity of derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of gain (loss) from the ineffectiveness of the hedge.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The net gain (loss) relating to components of the gain (loss) on the cash flow hedging instrument excluded from the assessment of cash flow hedge effectiveness. Recognized in earnings.

+ References

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- Definition

The net amount of operating interest income (expense).

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-Topic 942

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-Name Regulation S-X (SX)

-Number 210

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- Definition

Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount after tax of reclassification adjustments of other comprehensive income (loss).

+ References

No definition available.

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Derivative and Hedging Activities - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Derivative [Line Items]
Notional amount	$ 2,320,750invest_DerivativeNotionalAmount		$ 2,215,056invest_DerivativeNotionalAmount
Derivative assets	57,551us-gaap_DerivativeAssets		45,898us-gaap_DerivativeAssets
Derivative liabilities	54,431us-gaap_DerivativeLiabilities		46,160us-gaap_DerivativeLiabilities
Interest income	121,921us-gaap_InterestIncomeExpenseNet	107,825us-gaap_InterestIncomeExpenseNet
Amounts reclassified from accumulated other comprehensive Income	(520)
Additional amount in excess of posted collateral required in case of breached agreements	2,071		1,862
Interest Rate Contracts [Member]
Derivative [Line Items]
Notional amount	200,000		200,000
Period to reclassification of cash flow hedge gain loss	12 months
Maximum length of time hedged in interest rate cash flow hedge	9 years
Derivative gains to be reclassified within twelve months	2,929
Derivative gains to be reclassified within twelve months, net of tax	1,904
Derivative gain or loses excluded from assessment of hedge effectiveness	0
Hedge ineffectiveness	0	0
Gains or losses from cash flow hedge derivatives reclassified to earnings	0	0
Interest Rate Contracts [Member] \| Amount Reclassified from Other Comprehensive Income [Member]
Derivative [Line Items]
Interest income	810
Amounts reclassified from accumulated other comprehensive Income	526
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	1,020,957		972,002
Credit Risk Contract Sold [Member]
Derivative [Line Items]
Notional amount	50,061
Risk participation agreements, minimum term	2 years
Risk participation agreements, maximum term	9 years
Maximum exposure under credit risk agreement assuming customer default	70		21
Trading Assets [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative assets	53,575		43,742
Not for Trading Assets [Member] \| Interest Rate Contracts [Member]
Derivative [Line Items]
Derivative assets	3,937		2,109
Trading Liabilities [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative liabilities	53,723		43,783
Not for Trading Liabilities [Member] \| Interest Rate Contracts [Member]
Derivative [Line Items]
Derivative liabilities	$ 669		$ 2,330