CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and cash equivalents	$ 2,519	$ 2,519
Accrued revenue and accounts receivable	80,025	71,093
Commodity derivative assets, net	2,111	1,824
Prepaid expenses and other current assets	8,731	3,108
TOTAL CURRENT ASSETS	93,386	78,544
PROPERTY AND EQUIPMENT
Oil and natural gas properties, at cost, using the successful efforts method of accounting, includes unproved properties of $1,015,395 and $973,028 at June 30, 2025 and December 31, 2024, respectively	3,153,976	3,105,457
Accumulated depletion and impairment	(1,989,690)	(1,973,460)
Oil and natural gas properties, net	1,164,286	1,131,997
Other property and equipment, net of accumulated depreciation of $15,238 and $14,551 at June 30, 2025 and December 31, 2024, respectively	1,508	2,044
NET PROPERTY AND EQUIPMENT	1,165,794	1,134,041
DEFERRED CHARGES AND OTHER LONG-TERM ASSETS	8,709	6,321
TOTAL ASSETS	1,267,889	1,218,906
CURRENT LIABILITIES
Accounts payable	6,877	5,946
Accrued liabilities	12,504	17,242
Commodity derivative liabilities, net	7,072	3,852
Other current liabilities	2,528	3,383
TOTAL CURRENT LIABILITIES	28,981	30,423
LONG–TERM LIABILITIES
Credit facility	99,000	25,000
Accrued incentive compensation	788	1,234
Commodity derivative liabilities, net	11,766	11,581
Asset retirement obligations	19,728	19,286
Other long-term liabilities	5,010	1,943
TOTAL LIABILITIES	165,273	89,467
COMMITMENTS AND CONTINGENCIES (Note 7)
EQUITY
Partners' equity – general partner interest	0	0
TOTAL EQUITY	802,138	828,961
TOTAL LIABILITIES, MEZZANINE EQUITY, AND EQUITY	1,267,889	1,218,906
Series B Cumulative Convertible Preferred Units
MEZZANINE EQUITY
Partners' equity – Series B cumulative convertible preferred units, 14,711 units outstanding at June 30, 2025 and December 31, 2024	300,478	300,478
Common units
EQUITY
Partners' equity – common units, 211,842 and 210,695 units outstanding at June 30, 2025 and December 31, 2024, respectively	$ 802,138	$ 828,961