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Derivative Financial Instruments - Schedule of Amount Included in Other Comprehensive Income for Derivative Instruments Designated as Hedges of Cash Flows (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Derivatives in Hedging Relationships [Member]    
Derivatives in cash flow hedging relationship    
Amount of gain (loss) recognized in other comprehensive income, net of tax $ 35 $ (820)