Consolidated Statements Of Changes In Partners' Capital $ in Thousands	USD ($)
BALANCE, BEGINNING (Predecessor) at Dec. 31, 2015	$ (177,049)
Contributions | Predecessor	377,076
Net loss | Predecessor	(167,921)
BALANCE, ENDING (Predecessor) at Dec. 31, 2016	32,106
Contributions | Predecessor	200,000
Net loss | Predecessor	(77,661)
BALANCE, ENDING (Predecessor) at Dec. 31, 2017	154,445
Contributions | Predecessor	43,482
Net loss | Predecessor	(14,862)
BALANCE, ENDING (Predecessor) at Feb. 08, 2018	183,065
BALANCE, ENDING at Feb. 08, 2018	1,535,891
Contributions	560,344
Distribution of non-STACK oil and gas assets, net of associated liabilities	(32,535)
Issuance of additional AMH purchase consideration	9,467
Equity-based compensation expense	20,000
Net loss	(2,076,374)
BALANCE, ENDING at Dec. 31, 2018	$ 16,793