Derivatives and Hedging Activities (FV of Derivative Financial Instruments and Classification on Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total	$ 26,113	$ 17,318
Total	17,523	15,693
Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	17,355	15,596
Total	26,310	17,476
Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	17,132	15,429
Total	17,523	15,693
Interest rate derivatives \| Derivatives designated as hedges: [Member] \| Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest Rate Derivative Assets, at Fair Value	8,955	1,880
Interest rate derivatives \| Derivatives designated as hedges: [Member] \| Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest rate derivatives	391	264
Loan level swaps \| Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total	15,580	14,236
Loan level swaps \| Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total	15,584	14,241
Foreign exchange contracts \| Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total	1,578	1,202
Foreign exchange contracts \| Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total	1,548	1,188
Mortgage Derivatives \| Derivatives not designated as hedges: [Member] \| Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest rate lock commitments	91	149
Forward sales agreements	106	9
Mortgage Derivatives \| Derivatives not designated as hedges: [Member] \| Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest rate lock commitments	0	0
Forward sales agreements	$ 0	$ 0

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- Definition

Derivative Instrument Not Designated as a Hedge, Forward Sales Agreements, Liabilities at Fair Value

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Derivative Instrument Not Designated as a Hedge, Interest Rate Lock Commitments, Asset at Fair Value

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Derivative Instrument Not Designated as a Hedge, Interest Rate Lock Commitments, Liabilities at Fair Value

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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.

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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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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

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No definition available.

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