Additional Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2016

Balance Sheet Related Disclosures [Abstract]

Additional Balance Sheet Information

Certain balance sheet amounts are comprised of the following:

	December 31,
(In thousands)	2016			2015
Accounts receivable, net
Trade accounts	$	185,594		$	116,772
Joint interest accounts	1,359			2,013
Other accounts	5,335			2,557
	192,288			121,342
Allowance for doubtful accounts	(1,243		)	(1,113		)
	$	191,045		$	120,229
Inventories
Tubular goods and well equipment	$	11,005		$	14,685
Natural gas in storage	2,299			2,364
	$	13,304		$	17,049
Other assets
Deferred compensation plan	$	12,587		$	12,921
Debt issuance cost	11,403			14,871
Derivative instruments	2,991			—
Other accounts	58			64
	$	27,039		$	27,856
Accounts payable
Trade accounts	$	27,355		$	30,038
Natural gas purchases	2,231			2,231
Royalty and other owners	85,449			75,106
Accrued capital costs	34,647			27,479
Taxes other than income	13,827			14,628
Other accounts	4,902			10,925
	$	168,411		$	160,407
Accrued liabilities
Employee benefits	$	14,153		$	13,870
Taxes other than income	3,829			5,073
Asset retirement obligations	2,000			2,000
Other accounts	1,510			3,980
	$	21,492		$	24,923
Other liabilities
Deferred compensation plan	$	24,169		$	22,371
Other accounts	4,952			3,653
	$	29,121		$	26,024