Hedging - Offsetting Derivatives (Details) - Cash flow hedging - Designated as hedging instruments - Foreign currency forward contracts - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Offsetting Derivative Assets [Abstract]
Total assets	$ 27,232	$ 9,725
Gross Amounts Offset	0	0
Gross Amounts Presented	27,232	9,725
Gross Amounts Not Offset	(1,096)	(7,354)
Legal Offset	26,136	2,371
Offsetting Derivative Liabilities [Abstract]
Gross Amounts Recognized	(1,096)	(7,354)
Gross Amounts Offset	0	0
Gross Amounts Presented	(1,096)	(7,354)
Gross Amounts Not Offset	1,096	7,354
Legal Offset	$ 0	$ 0

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