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Commitments and Contingent Liabilities - Unrecorded Unconditional Purchase Obligation (Details) - Purchase Commitment
$ in Thousands
Dec. 31, 2020
USD ($)
Unrecorded Unconditional Purchase Obligation [Line Items]  
Less than 1 year $ 253,692
1 - 3 years 431,282
3 - 5 years 390,693
More than 5 years 985,201
Total Purchase Obligations $ 2,060,868