Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Balance Sheet Grouping

The following tables set forth by level within the fair value hierarchy the Company's non-financial assets and liabilities that were measured at fair value on a recurring basis in the Unaudited Consolidated Balance Sheets.

	Level 1		Level 2		Level 3		Total
	(in thousands)
As of June 30, 2019
Financial Assets
Cash equivalents	$	4,344	$	—	$	—	$	4,344
Deferred compensation plan	1,816		—		—		1,816
Commodity derivatives	—		26,387		—		26,387
Financial Liabilities
Commodity derivatives	—		7,236		—		7,236
As of December 31, 2018
Financial Assets
Cash equivalents	$	12,188	$	—	$	—	$	12,188
Deferred compensation plan	1,392		—		—		1,392
Commodity derivatives	—		109,494		—		109,494
Financial Liabilities
Commodity derivatives	—		1,039		—		1,039