Represents the collateral threshold for derivative instruments with credit-risk-related contingent features.

No definition available.

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- Definition

Amount of net credit risk valuation adjustment during the period to derivative assets and derivative liabilities to properly reflect the credit quality of the counterparties.

+ References

No definition available.

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- Definition

Amount of upfront fee and commission from a derivative executed by the entity on behalf of a customer with a swap dealer.

+ References

No definition available.

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- Definition

The number of shares of an investment sold during the period.

+ 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

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

The premium (cost) of a hedge, net of any cash received on settlement during the period.

+ References

No definition available.

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- Definition

Fair value, before 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 elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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Fair value, before 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 elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Derivative Financial Instruments - Free-Standing, Contingent Features and Counterparty Credit Risk (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended		96 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2016
Derivative financial instruments
Counterparty credit risk adjustments	$ 0	$ 100		$ 100	$ 200
Visa \| Class B shares
Derivative financial instruments
Number of shares sold		0	274,000	0	274,000	0
Interest rate swaps
Derivative financial instruments
Collateral thresholds for derivative agreements with credit risk related contingent features	500			$ 500
Derivatives Not Designated as Hedging Instruments \| Interest rate swaps
Derivative financial instruments
Notional Amount	1,727,957			1,727,957			$ 1,297,101
Net interest expense on derivative	$ 200	$ 300		$ 700	$ 800
Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Minimum
Derivative financial instruments
Fixed interest rate (as a percent)	1.24%			1.24%			0.77%
Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Maximum
Derivative financial instruments
Fixed interest rate (as a percent)	5.33%			5.33%			4.90%
Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Customer swap program
Derivative financial instruments
Notional Amount	$ 1,600,000			$ 1,600,000			$ 1,200,000
Upfront fees on the dealer swap	1,300	$ 700		5,900	$ 4,300
Derivative asset value	19,700			19,700			16,000
Derivative liability value	13,800			13,800			16,000
Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Other assets
Derivative financial instruments
Positive fair value, derivative asset	19,743			19,743			15,982
Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Other liabilities
Derivative financial instruments
Fair value loss (derivative liability)	15,503			15,503			18,299
Derivatives Not Designated as Hedging Instruments \| Funding Swap (Visa Derivative)
Derivative financial instruments
Notional Amount	41,536			41,536			37,143
Derivatives Not Designated as Hedging Instruments \| Funding Swap (Visa Derivative) \| Other liabilities
Derivative financial instruments
Fair value loss (derivative liability)	$ 5,975			$ 5,975			$ 7,460