Derivative Financial Instruments - Schedule of Amount Included in Other Comprehensive Income (Loss) for Derivative Instruments Designated as Hedges of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Change in accumulated gain (loss) on effective cash flow hedge derivatives, net of tax amount	$ 373	$ 122	$ (228)
Derivatives in Hedging Relationships [Member]
Derivatives, Fair Value [Line Items]
Change in accumulated gain (loss) on effective cash flow hedge derivatives, net of tax amount	$ 373	$ 122	$ (228)