Derivative Instruments - Outstanding Forward Contracts (Details) - Not Designated as Hedging Instrument [Member] ₩ in Thousands, ¥ in Thousands, £ in Thousands, Ft in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2019 HUF (Ft)	Dec. 31, 2019 GBP (£)	Dec. 31, 2019 SGD ($)	Dec. 31, 2019 JPY (¥)	Dec. 31, 2019 KRW (₩)	Dec. 31, 2019 TWD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 HUF (Ft)	Dec. 31, 2018 GBP (£)	Dec. 31, 2018 SGD ($)	Dec. 31, 2018 JPY (¥)	Dec. 31, 2018 KRW (₩)	Dec. 31, 2018 TWD ($)
Korean Won [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 139,688					₩ 161,951,500		$ 2,808					₩ 3,125,000
Euro [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	20,249				¥ 18,000			26,330				¥ 23,000
Japanese Yen [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	5,291				575,000			3,459				380,000
Mexican Peso [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	4,223				¥ 80,000			0				¥ 0
British Pound [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	3,569		£ 2,700					3,204		£ 2,500
Hungarian Forint [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	2,962	Ft 870,000						2,685	Ft 750,000
Taiwanese Dollar [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	1,256						$ 37,450	1,807						$ 55,000
Canadian Dollar [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	1,000						$ 1,300	726						$ 990
Singapore Dollar [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 628			$ 845				$ 514			$ 700