Costs Incurred for Property Acquisition, Exploration and Development

3 Months Ended

Mar. 31, 2020

Extractive Industries [Abstract]

Costs Incurred for Property Acquisition, Exploration and Development

(18) Costs Incurred for Property Acquisition, Exploration and Development ^(a)

	Three Months Ended March 31, 2020		Year Ended December 31, 2019
	(in thousands)
Acquisitions:
Acreage purchases	$	4,061	$	57,324
Development		124,180		666,984
Exploration:
Expense		6,747		35,117
Stock-based compensation expense		330		1,566
Gas gathering facilities:
Development		2,047		3,583
Subtotal		137,365		764,574
Asset retirement obligations		1,250		11,193
Total costs incurred	$	138,615	$	775,767

^(a) Includes costs incurred whether capitalized or expensed.