Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosures [Line Items]

Fair Value Amounts of Derivative Instruments

The following table summarizes the location, as well as the gross and net fair value amounts, of all derivative instruments presented on the Unaudited Consolidated Balance Sheets as of the dates indicated.



	As of March 31, 2019
Balance Sheet	Gross Amounts of Recognized Assets			Gross Amounts Offset in the Balance Sheet				Net Amounts of Assets Presented in the Balance Sheet
	(in thousands)
Derivative assets (current)	$	9,815		$	(8,396	)	⁽¹⁾	$	1,419
Derivative assets (noncurrent)	5,616			(1,677		)	⁽¹⁾	3,939
Total derivative assets	$	15,431		$	(10,073	)		$	5,358

	Gross Amounts of Recognized Liabilities			Gross Amounts Offset in the Balance Sheet				Net Amounts of Liabilities Presented in the Balance Sheet
	(in thousands)
Derivative liabilities	$	(14,246	)	$	8,396		⁽¹⁾	$	(5,850	)
Other noncurrent liabilities	(2,571		)	1,677			⁽¹⁾	(894		)
Total derivative liabilities	$	(16,817	)	$	10,073			$	(6,744	)

	As of December 31, 2018
Balance Sheet	Gross Amounts of Recognized Assets			Gross Amounts Offset in the Balance Sheet				Net Amounts of Assets Presented in the Balance Sheet
	(in thousands)
Derivative assets (current)	$	82,205		$	(1,039	)	⁽¹⁾	$	81,166
Derivative assets (noncurrent)	27,289			—			⁽¹⁾	27,289
Total derivative assets	$	109,494		$	(1,039	)		$	108,455

	Gross Amounts of Recognized Liabilities			Gross Amounts Offset in the Balance Sheet				Net Amounts of Liabilities Presented in the Balance Sheet
	(in thousands)
Derivative liabilities	$	(1,039	)	$	1,039		⁽¹⁾	$	—
Other noncurrent liabilities	—			—			⁽¹⁾	—
Total derivative liabilities	$	(1,039	)	$	1,039			$	—


(1)	Asset and liability balances with the same counterparty are presented as a net asset or liability on the Unaudited Consolidated Balance Sheets.

Financial Instruments for Hedging Volumes

As of March 31, 2019, the Company had swap contracts in place to hedge the following volumes for the periods indicated:



	April – December 2019			For the year 2020
	Derivative Volumes	Weighted Average Price		Derivative Volumes	Weighted Average Price
Oil (Bbls)	4,646,533	$	59.07	4,024,000	$	59.42
Natural Gas (MMbtu)	1,925,000	$	2.11	—	$	—

Cashless Collars

Derivative Instruments and Hedging Activities Disclosures [Line Items]

Financial Instruments for Hedging Volumes

As of March 31, 2019, the Company had cashless collars (purchased put options and written call options) in place to hedge the following volumes for the periods indicated:



	April – December 2019
	Derivative Volumes	Weighted Average Floor Price		Weighted Average Ceiling Price
Oil (Bbls)	552,000	$	55.00	$	77.56