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Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2020
Fair Value Disclosures [Abstract]  
Fair Value Measurements, Recurring
The following table presents information about the Company’s assets and liabilities that were measured at fair value on a recurring basis as of September 30, 2020 and December 31, 2019, and indicates the fair value hierarchy of the valuation techniques the Company utilized to determine such fair value.

September 30,
2020		Quoted Prices in
Active Markets
(Level 1) 		Significant Other
Observable Inputs
(Level 2)		Significant
Unobservable Inputs
(Level 3)
Assets:
Derivative contracts (Note 14)$5,173 $— $5,173 $— 
Restoration plan assets3,658 3,658 — — 
Total$8,831 $3,658 $5,173 $— 
Liabilities:
Derivative contracts (Note 14)$18,762 $— $18,762 $— 

December 31,
2019		Quoted Prices in
Active Markets
(Level 1) 		Significant Other
Observable Inputs
(Level 2) 		Significant
Unobservable Inputs
(Level 3)
Assets:
Derivative contracts (Note 14)$3,928 $— $3,928 $— 
Restoration plan assets4,199 4,199 — — 
Total
$8,127 $4,199 $3,928 $— 
Liabilities:
Derivative contracts (Note 14)$12,415 $— $12,415 $—