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Derivatives (Tables)
 12 Months Ended
Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of derivative assets and liabilities at fair value
The following table sets forth the Company's derivative assets and liabilities that were accounted for at fair value and not designated as cash flow hedges as of December 31, 2020 and 2019:
 Asset Fair Value
20202019
Commodity contracts (1)
$12.8 $19.7 
Foreign exchange contracts (2)
2.4 — 
Total$15.2 $19.7 

 Liability Fair Value
20202019
Commodity contracts (1)
$16.7 $3.6 
Foreign exchange contracts (2)
— 0.6 
Total$16.7 $4.2 

(1) Commodity contracts reflect our outstanding LME forward financial sales contracts, MWP forward financial sales contracts, fixed for floating swaps, NYMEX Henry Hub natural gas price swaps, and Nord Pool power price swaps. At December 31, 2020, $1.2 million of Due from affiliates, $1.7 million of Due from affiliates - less current portion, $11.3 million of Due to affiliates, and $0.1 million of Due to affiliates – less current portion is related to commodity contract assets and liabilities with Glencore. At December 31, 2019, $0.2 million of Due from affiliates and $0.5 million Due from affiliates - less current portion was related to commodity contract assets with Glencore.
(2) Foreign exchange contracts reflect our outstanding FX swaps.
Schedule of net gain (loss) on forward and derivative contracts
The following table summarizes the net gain (loss) on forward and derivative contracts for the years ended December 31, 2020, 2019, and 2018:
Year Ended December 31,
202020192018
Commodity contracts (1)
$(16.3)$12.9 $6.6 
Foreign exchange contracts(1.0)(0.9)(0.3)
   Total$(17.3)$12.0 $6.3 
(1) For the years ended December 31, 2020, 2019, and 2018, $(9.2) million, $2.0 million, and $(2.2) million of net gain (loss), respectively, was with Glencore.