Derivatives - Schedule of Unsettled Purchased Foreign Currency Forward Contracts (Details) - Long - Foreign currency forward contracts ₨ in Thousands, £ in Thousands, zł in Thousands, kr in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	Mar. 31, 2020 SEK (kr)	Mar. 31, 2020 SGD ($)	Mar. 31, 2020 INR (₨)	Mar. 31, 2020 AUD ($)	Mar. 31, 2020 PLN (zł)	Mar. 31, 2020 GBP (£)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 SEK (kr)	Dec. 31, 2019 SGD ($)	Dec. 31, 2019 INR (₨)	Dec. 31, 2019 AUD ($)	Dec. 31, 2019 PLN (zł)	Dec. 31, 2019 GBP (£)	Dec. 31, 2019 USD ($)
Polish Zloty
Derivative [Line Items]
Notional Amount					zł 186,000		$ 48,267					zł 265,000		$ 68,971
Average Contract Rate	0.2595	0.2595	0.2595	0.2595	0.2595	0.2595	0.2595	0.2603	0.2603	0.2603	0.2603	0.2603	0.2603	0.2603
Indian Rupee
Derivative [Line Items]
Notional Amount			₨ 3,000,000				$ 41,318		$ 4,485,000					$ 61,708
Average Contract Rate	0.0137	0.0137	0.0137	0.0137	0.0137	0.0137	0.0137	0.0138	0.0138	0.0138	0.0138	0.0138	0.0138	0.0138
Singapore Dollar
Derivative [Line Items]
Notional Amount		$ 45,000					$ 33,120						£ 63,500	$ 46,759
Average Contract Rate	0.7360	0.7360	0.7360	0.7360	0.7360	0.7360	0.7360	0.7364	0.7364	0.7364	0.7364	0.7364	0.7364	0.7364
British Pound Sterling
Derivative [Line Items]
Notional Amount						£ 13,200	$ 17,197			₨ 18,400				$ 24,109
Average Contract Rate	1.3028	1.3028	1.3028	1.3028	1.3028	1.3028	1.3028	1.3103	1.3103	1.3103	1.3103	1.3103	1.3103	1.3103
Australian Dollar
Derivative [Line Items]
Notional Amount				$ 10,950			$ 7,597				$ 16,500			$ 11,521
Average Contract Rate	0.6938	0.6938	0.6938	0.6938	0.6938	0.6938	0.6938	0.6982	0.6982	0.6982	0.6982	0.6982	0.6982	0.6982
Swedish Krona
Derivative [Line Items]
Notional Amount	kr 24,500						$ 2,646	kr 38,100						$ 4,106
Average Contract Rate	0.1062	0.1062	0.1062	0.1062	0.1062	0.1062	0.1062	0.1075	0.1075	0.1075	0.1075	0.1075	0.1075	0.1075