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Derivatives and Hedging Activities - Offsetting Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross Amounts of Recognized Assets	$ 15,495	$ 28,700
Gross Amounts of Recognized (Liabilities)	(13,118)	(15,457)
Gross Amounts Offset on the Balance Sheet	0	0
Net Amounts of Assets (Liabilities) presented on the Balance Sheet	2,377	13,243
Financial Instruments	0	0
Cash Collateral Received (Posted)	0	0
Net Amount	$ 2,377	$ 13,243

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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.

+ References

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-Publisher FASB
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-SubTopic 20
-Section 55
-Paragraph 8
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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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-Name Accounting Standards Codification
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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.

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The net amount as of the balance sheet date of the fair value of derivative assets and derivative liabilities that in accordance with the entity's accounting policy were offset against collateral under a master netting arrangement.

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