Derivative Instruments Derivative Instruments (Derivative Liabilities Offset in the Consolidated Balance Sheet) (Details) - Interest Rate Swap $ in Thousands	Dec. 31, 2016 USD ($)
Designated as Hedging Instrument
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	$ 12
Derivative Liability	12
Derivative Liability, Fair Value of Collateral	23
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	23
Derivative Liability, Fair Value, Amount Offset Against Collateral	0
Customer Counterparties Loan Interest Rate Swap Liabilities \| Not Designated as Hedging Instrument
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	7,360
Derivative Liability	7,360
Derivative Liability, Fair Value of Collateral	29,812
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	29,812
Derivative Liability, Fair Value, Amount Offset Against Collateral	0
Financial Institution Counterparties Loan Interest Rate Swap Liabilities \| Not Designated as Hedging Instrument
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	8,111
Derivative Liability	8,111
Derivative Liability, Fair Value of Collateral	8,111
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	8,111
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 0

Fair value, after offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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- Definition

Fair value, after effects of master netting arrangements, of 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 offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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-Publisher FASB
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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.

+ References

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- Definition

Fair value of asset associated with 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.

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- Definition

Fair value of securities pledged as collateral against derivative liabilities.

+ References

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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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