Derivatives and Hedging Activities - Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Derivative assets		$ 490
Derivative liabilities		203
Interest rate products - designated \| Designated as hedging instrument \| Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivative	$ 2,409	287
Interest rate products - designated \| Designated as hedging instrument \| Other Liabilities
Derivatives, Fair Value [Line Items]
Liability Derivative	0	0
Interest rate products - designated \| Not-designated hedge \| Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivative	216
Interest rate products - designated \| Not-designated hedge \| Other Liabilities
Derivatives, Fair Value [Line Items]
Liability Derivative	230
Currency forward contract - non-designated hedge \| Not-designated hedge \| Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivative		203
Currency forward contract - non-designated hedge \| Not-designated hedge \| Other Liabilities
Derivatives, Fair Value [Line Items]
Liability Derivative		203
Reported Value Measurement
Derivatives, Fair Value [Line Items]
Derivative assets	2,625	490
Derivative liabilities	$ 230	$ 203

Fair value of liability associated with 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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ References

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