Commitments and Contingencies - Schedule of Commitments and Obligations (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Purchase obligations
Total	$ 268,322
Less than 1 year	239,163
1 to 3 years	28,843
3 to 5 years	316
More than 5 years	0
Guarantees
Total	150,295
Less than 1 year	150,295
1 to 3 years	0
3 to 5 years	0
More than 5 years	0
Total	467,437
Less than 1 year	433,059
1 to 3 years	33,707
3 to 5 years	577
More than 5 years	94
Letters Of Credit
Letters of credit
Total	48,820
Less than 1 year	43,601
1 to 3 years	4,864
3 to 5 years	261
More than 5 years	$ 94