CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
REVENUE
Revenue from contracts with customers	$ 103,181	$ 136,719	$ 335,135	$ 364,723
Gain (loss) on commodity derivative instruments	31,675	(26,922)	14,838	36,652
TOTAL REVENUE	134,856	109,797	349,973	401,375
OPERATING (INCOME) EXPENSE
Lease operating expense	2,422	2,615	7,433	8,149
Production costs and ad valorem taxes	12,369	16,441	38,876	41,952
Exploration expense	2,562	1,711	2,579	1,719
Depreciation, depletion, and amortization	11,258	12,367	34,253	33,935
General and administrative	12,801	14,448	40,286	38,950
Accretion of asset retirement obligations	324	254	962	749
(Gain) loss on sale of assets, net	0	(73)	0	(73)
TOTAL OPERATING EXPENSE	41,736	47,763	124,389	125,381
INCOME (LOSS) FROM OPERATIONS	93,120	62,034	225,584	275,994
OTHER INCOME (EXPENSE)
Interest and investment income	344	511	1,476	1,041
Interest expense	(724)	(621)	(1,979)	(2,080)
Other income (expense)	(9)	143	(101)	(53)
TOTAL OTHER INCOME (EXPENSE)	(389)	33	(604)	(1,092)
NET INCOME (LOSS)	92,731	62,067	224,980	274,902
Distributions on Series B cumulative convertible preferred units	(7,366)	(5,250)	(22,099)	(15,750)
NET INCOME (LOSS) ATTRIBUTABLE TO THE GENERAL PARTNER AND COMMON UNITS	85,365	56,817	202,881	259,152
ALLOCATION OF NET INCOME (LOSS):
General partner interest	0	0	0	0
Common units	85,365	56,817	202,881	259,152
NET INCOME (LOSS) ATTRIBUTABLE TO THE GENERAL PARTNER AND COMMON UNITS	$ 85,365	$ 56,817	$ 202,881	$ 259,152
NET INCOME (LOSS) ATTRIBUTABLE TO LIMITED PARTNERS PER COMMON UNIT:
Per common unit (basic) (in dollars per share)	$ 0.41	$ 0.27	$ 0.96	$ 1.23
Per common unit (diluted) (in dollars per share)	$ 0.41	$ 0.27	$ 0.96	$ 1.22
WEIGHTED AVERAGE COMMON UNITS OUTSTANDING:
Weighted average common units outstanding (basic) (in shares)	210,687	209,982	210,680	209,963
Weighted average common units outstanding (diluted) (in shares)	210,687	209,982	210,680	224,932
Oil and condensate sales
REVENUE
Revenue from contracts with customers	$ 63,999	$ 85,724	$ 209,112	$ 208,184
Natural gas and natural gas liquids sales
REVENUE
Revenue from contracts with customers	37,039	48,815	115,543	147,857
Lease bonus and other income
REVENUE
Revenue from contracts with customers	$ 2,143	$ 2,180	$ 10,480	$ 8,682