CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUE
Revenue from contracts with customers	$ 207,721	$ 117,922	$ 364,165	$ 207,372
Gain (loss) on commodity derivative instruments	(27,349)	(59,480)	(147,369)	(87,362)
TOTAL REVENUE	180,372	58,442	216,796	120,010
OPERATING (INCOME) EXPENSE
Lease operating expense	3,199	3,837	6,360	6,501
Production costs and ad valorem taxes	19,504	9,296	33,453	21,138
Exploration expense	2	2	182	1,075
Depreciation, depletion, and amortization	11,893	15,796	22,810	31,428
General and administrative	12,519	12,187	26,282	25,039
Accretion of asset retirement obligations	205	298	407	590
(Gain) loss on sale of assets, net	(17)	0	(17)	0
TOTAL OPERATING EXPENSE	47,305	41,416	89,477	85,771
INCOME (LOSS) FROM OPERATIONS	133,067	17,026	127,319	34,239
OTHER INCOME (EXPENSE)
Interest and investment income	2	0	2	0
Interest expense	(1,362)	(1,628)	(2,571)	(2,838)
Other income (expense)	81	31	36	214
TOTAL OTHER EXPENSE	(1,279)	(1,597)	(2,533)	(2,624)
NET INCOME (LOSS)	131,788	15,429	124,786	31,615
Distributions on Series B cumulative convertible preferred units	(5,250)	(5,250)	(10,500)	(10,500)
NET INCOME (LOSS) ATTRIBUTABLE TO THE GENERAL PARTNER AND COMMON UNITS	126,538	10,179	114,286	21,115
ALLOCATION OF NET INCOME (LOSS):
General partner interest	0	0	0	0
Common units	126,538	10,179	114,286	21,115
NET INCOME (LOSS) ATTRIBUTABLE TO THE GENERAL PARTNER AND COMMON UNITS	$ 126,538	$ 10,179	$ 114,286	$ 21,115
NET INCOME (LOSS) ATTRIBUTABLE TO LIMITED PARTNERS PER COMMON UNIT:
Per common unit (basic) (in dollars per share)	$ 0.60	$ 0.05	$ 0.55	$ 0.10
Per common unit (diluted) (in dollars per share)	$ 0.59	$ 0.05	$ 0.55	$ 0.10
Weighted average common units outstanding (basic) (in shares)	209,397	207,945	209,360	207,695
Weighted average common units outstanding (diluted) (in shares)	224,366	207,945	209,360	207,695
Oil and condensate sales
REVENUE
Revenue from contracts with customers	$ 94,296	$ 53,936	$ 170,127	$ 98,112
Natural gas and natural gas liquids sales
REVENUE
Revenue from contracts with customers	111,181	56,481	186,935	99,370
Lease bonus and other income
REVENUE
Revenue from contracts with customers	$ 2,244	$ 7,505	$ 7,103	$ 9,890