Derivative Financial Instruments - Offsetting Derivatives (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross Amounts of Recognized Assets	$ 229
Gross Amounts Offset in the Consolidated Balance Sheets	0
Net Amounts of Assets presented in the Consolidated Balance Sheets	229
Financial Instruments	(68)
Cash Collateral	0
Net Amount	161
Gross Amounts of Recognized Assets	(68)
Gross Amounts Offset in the Consolidated Balance Sheets	0
Net Amounts of Assets presented in the Consolidated Balance Sheets	(68)
Financial Instruments	68
Cash Collateral	0
Net Amount	$ 0

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.

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