Fair Value - Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 624,832	$ 998,601
Marketable securities	52,575	54,250
Derivative financial instruments	12,649	15,071
Total	690,056	1,067,922
Derivatives	13,934	5,316
Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	459,885	728,800
Marketable securities	52,575	44,243
Derivative financial instruments	0	0
Total	512,460	773,043
Derivatives	0	0
Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	164,947	269,801
Marketable securities	0	10,007
Derivative financial instruments	12,649	15,071
Total	177,596	294,879
Derivatives	13,934	5,316
Fair Value, Measurements, Nonrecurring | Fair Value Adjustment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Repossessed inventory at the lower of cost or net realizable value	11,900	9,700
Fair Value, Measurements, Nonrecurring | Level 2 | Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Repossessed inventory at the lower of cost or net realizable value	$ 21,400	$ 20,200