Derivatives - Fair Value of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 6,007	$ 21,386
Derivative Liabilities		127,531
Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	6,007	21,386
Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	96,944	127,531
Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	55	15,385
Designated Hedges | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0	8,134
Non-Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	5,952	6,001
Non-Designated Hedges | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	96,944	119,397
Foreign exchange contracts | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	150	16,578
Foreign exchange contracts | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0	10,616
Foreign exchange contracts | Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	0	15,307
Foreign exchange contracts | Designated Hedges | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0	8,134
Foreign exchange contracts | Non-Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	150	1,271
Foreign exchange contracts | Non-Designated Hedges | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0	2,482
Interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative Assets	182	315
Interest rate contracts | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	182	315
Interest rate contracts | Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	55	78
Interest rate contracts | Non-Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	127	237
Performance swaps
Derivatives, Fair Value [Line Items]
Derivative Assets	5,675	4,493
Performance swaps | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	5,675	4,493
Performance swaps | Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	0	0
Performance swaps | Non-Designated Hedges | Derivative Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	5,675	4,493
Forward contracts
Derivatives, Fair Value [Line Items]
Derivative Liabilities	96,944	116,915
Forward contracts | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	96,944	116,915
Forward contracts | Designated Hedges | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0	0
Forward contracts | Non-Designated Hedges | Derivative Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 96,944	$ 116,915