Share Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Valuation and Expense Information

Valuation and Expense Information

	For the Quarter Ended
	Ended March 31,
	2018		2017
Total cost of share-based payment plans	$	10,910	$	1,211
Amounts capitalized in oil and gas properties and equipment	$	2,100	$	360
Amounts charged against income, before income tax benefit	$	8,810	$	851
Amount of related income tax benefit recognized in income before valuation allowance	$	1,850	$	339