Prepaid and Other Current Assets

12 Months Ended

Dec. 31, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid and Other Current Assets

Prepaid and Other Current Assets

Prepaid and other current assets at December 31, 2019 and 2018 consisted of the following (in thousands):

	December 31,
	2019		2018
Advances to suppliers	$	27,635	$	—
Collateral posted with broker for derivative instruments (1)	10,306		2,759
Prepaid insurance	13,536		7,727
Derivative assets	2,075		5,164
Other	5,604		12,720
Total	$	59,156	$	28,370

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(1)

Our cash margin that is required as collateral deposits on our commodity derivatives cannot be offset against the fair value of open contracts except in the event of default. Please read Note 13—Derivatives for further information.