Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2018

Adoption of ASC606 [Line Items]

Balance Sheet Impact of the Adoption of ASC606

This adjustment—related to the timing of revenue recognized on certain demand fees—impacted our Consolidated Balance Sheet (for the periods indicated) as follows:

	Balance at December 31, 2017		Adjustments due to ASC 606		Balance at January 1, 2018
	(In thousands)
Assets:
Other assets	$	16,230	$	10,798	$	27,028
Liabilities and shareholders' equity:
Current portion of other long-term liabilities	13,002		2,748		15,750
Other long-term liabilities	100,203		9,737		109,940
Deferred income taxes	133,477		(413)		133,064
Retained earnings	799,402		(1,274)		798,128

At December 31, 2018:

	As Reported		Adjustments due to ASC 606		Amounts without the Adoption of ASC 606
	(In thousands)
Assets:
Prepaid expenses and other	$	11,356	$	285	$	11,071
Other assets	27,816		12,879		14,937
Liabilities and shareholders' equity:
Current portion of other long-term liabilities	14,250		2,874		11,376
Other long-term liabilities	101,234		7,007		94,227
Deferred income taxes	144,748		805		143,943
Retained earnings	752,840		2,478		750,362

Revenue, Remaining Performance Obligation

Included below is the additional fixed revenue we will earn over the remaining term of the contracts and excludes all variable consideration to be earned with the associated contract.

Contract	Remaining Term of Contract	2019		2020		2021		2022		Total Remaining Impact to Revenue
Demand fee contracts	4 years	$	2,632	$	(3,781)	$	(3,507)	$	1,374	$	(3,282)

Contract with Customer, Asset and Liability

For 2018, $5.0 million was recognized in revenue for these demand fees.

	December 31, 2018		January 1, 2018		Change
	(In thousands)
Contract assets	$	13,164	$	10,798	$	2,366
Contract liabilities	9,881		12,485		(2,604)
Contract assets (liabilities), net	$	3,283	$	(1,687)	$	4,970

Oil and Natural Gas

Adoption of ASC606 [Line Items]

Revenue Impact of the Adoption of ASC606

These tables summarize the impact of the adoption of ASC 606 on revenue and operating costs for the year ended December 31, 2018:

	As Reported		Adjustments due to ASC 606		Amounts without the Adoption of ASC 606
	(In thousands)
Oil and natural gas revenues	$	423,059	$	(17,518)	$	440,577
Oil and natural gas operating costs	131,675		(17,518)		149,193
Gross profit	$	291,384	$	—	$	291,384

Mid-Stream

Adoption of ASC606 [Line Items]

Revenue Impact of the Adoption of ASC606

This adjustment related to the timing of revenue recognized on certain demand fees and had the following impact to the Consolidated Statement of Operations for 2018:

	As Reported		Adjustments due to ASC 606		Amounts without the Adoption of ASC 606
	(In thousands)
Gas gathering and processing revenues	$	223,730	$	4,970	$	218,760
Deferred income tax benefit	(10,865)		1,218		(12,083)
Net income (loss)	(39,767)		3,752		(43,519)