Derivative Financial Instruments - Derivative Offsetting (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Asset derivatives
Gross Amounts	$ 427	$ 1,714
Amounts Subject to Enforceable Master Netting Arrangements	(427)	0
Net Amounts	0	1,714
Liability derivatives
Gross Amounts	2,370	2,888
Amounts Subject to Enforceable Master Netting Arrangements	(427)	0
Net Amounts	$ 1,943	$ 2,888

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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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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Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.

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