PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment and Depreciation, Depletion and Amortization

Depreciation and Depletion

	Successor				Predecessor
(in thousands)	Year Ended December 31, 2019		February 9, 2018 Through December 31, 2018		January 1, 2018 Through February 8, 2018
Oil and gas properties depletion	$	118,003	$	129,579	$	11,021
Midstream tangible asset depreciation	11,663		8,235		—
Other property and equipment depreciation	1,646		3,236		609
Total depletion and depreciation	$	131,312	$	141,050	$	11,630

(in thousands)	December 31, 2019			December 31, 2018
Oil and gas properties
Unproved properties	$	813,310		$	816,282
Accumulated impairment of unproved properties	(813,310		)	(742,065		)
Unproved properties, net	—			74,217
Proved oil and gas properties	2,239,444			2,110,346
Accumulated depreciation, depletion, amortization and impairment	(2,024,092		)	(1,421,226		)
Proved oil and gas properties, net	215,352			689,120
Total oil and gas properties, net	215,352			763,337
Other property and equipment
Land	5,690			5,600
Fresh water wells	27,373			27,366
Produced water disposal system	108,966			104,498
Gas processing plant and gathering lines	414,615			380,470
Office furniture, equipment and vehicles	3,397			3,703
Accumulated depreciation and impairment	(453,013		)	(77,368		)
Other property and equipment, net	107,028			444,269
Total property and equipment, net	$	322,380		$	1,207,606