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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Measurements  
Schedule of assets and liabilities measured at fair value on a recurring basis

The following table sets forth financial assets and liabilities measured at fair value on a recurring basis in the consolidated balance sheet and the respective levels to which the fair value measurements are classified within the fair value hierarchy as of December 31 (in thousands):

Quoted Prices

Significant

in Active

Other

Significant

Markets for

Observable

Unobservable

Identical Assets

Inputs

Inputs

Total

(Level 1)

(Level 2)

(Level 3)

December 31, 2020

Commodity futures – financial assets

$

6,797

$

-

$

6,797

$

-

Commodity futures – financial liabilities

7,442

-

7,442

-

December 31, 2019

Short-term investments

$

262,174

$

-

$

262,174

$

-

Commodity futures – financial assets

1,276

-

1,276

-

Commodity futures – financial liabilities

1,732

-

1,732

-