STATEMENTS OF CONSOLIDATED AND COMBINED EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Warrants [Member]	Additional Paid in Capital [Member]	Treasury Stock [Member]	Accumulated Earnings (Deficit)	Predecessor [Member]	Predecessor [Member] Common Stock [Member]	Predecessor [Member] Warrants [Member]	Predecessor [Member] Additional Paid in Capital [Member]	Predecessor [Member] Treasury Stock [Member]	Predecessor [Member] Accumulated Earnings (Deficit)	Predecessor [Member] Limited Partners Common Units [Member]
Balance at Dec. 31, 2016													$ 99,489
Net income (loss)							$ (90,955)						(90,955)
Cancellation and amortization of equity/unit-based awards													3,713
Restricted units repurchased and other													(2)
Issuance of common stock to Predecessor common unitholders													(7,707)
Issuance of warrants to Predecessor common unitholders													(4,788)
Contribution from management													1,500
Settlement with Predecessor common unitholders													(1,250)
Balance at May. 04, 2017													$ 0
Issuance of Successor common stock to holders of the Notes	$ 377,645	$ 3	$ 0	$ 377,642	$ 0	$ 0
Issuance of Successor warrants to Predecessor common unitholders							4,788	$ 0	$ 4,788	$ 0	$ 0	$ 0
Issuance of Successor common stock to Predecessor common unitholders							$ 7,707	$ 0	$ 0	$ 7,707	$ 0	$ 0
Balance at May. 04, 2017	390,140	3	4,788	385,349	0	0
Net income (loss)	1,286	0	0	0	0	1,286
Share-based compensation expense	2,516	0	0	2,516	0	0
Other	(9)	0	0	(9)	0	0
Balance at Dec. 31, 2017	393,933	3	4,788	387,856	0	1,286
Net income (loss)	54,609	0	0	0	0	54,609
Tender offer distribution	(35,520)	0	0	(35,520)	0	0
Share-based compensation expense	4,374	0	0	4,374	0	0
Restricted shares repurchased	(847)	0	0	(847)	0	0
Other	9	0	0	9	0	0
Balance at Dec. 31, 2018	416,558	3	4,788	355,872	0	55,895
Net income (loss)	(35,197)	0	0	0	0	(35,197)
Equity transactions related to the Merger	91,544	206	2	94,059	(2,723)	0
Acquisition of treasury stock	(618)	0	0	0	(618)	0
Retirement of treasury shares	0	0	0	(3,341)	3,341	0
Share-based compensation expense	4,530	0	0	4,530	0	0
Cost incurred in conjunction with tender offer	(107)	0	0	(107)	0	0
Common stock repurchased and retired under the share repurchase program	(26,203)	0	0	(26,203)	0	0
Dividends	(15,889)	0	0	0	0	(15,889)
Restricted shares repurchased	(406)	0	0	(406)	0	0
Other	(5)	0	0	(5)	0	0
Balance at Dec. 31, 2019	$ 434,207	$ 209	$ 4,790	$ 424,399	$ 0	$ 4,809