CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 19,919	$ 40,395
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation, depletion, and amortization	11,768	10,431
(Gain) loss on derivative contracts	0	(1,447)
Settlement gains (losses) on derivative contracts	0	5,876
Stock-based compensation	1,072	946
Other	80	77
Changes in operating assets and liabilities	(5,746)	7,574
Net cash provided by operating activities	27,093	63,852
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures for property, plant and equipment	(3,575)	(24,327)
Acquisition of assets	(2,103)	0
Purchase of other property and equipment	(12)	(31)
Proceeds from sale of assets	571	1,334
Net cash used in investing activities	(5,119)	(23,024)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid to shareholders	(64,003)	(73,823)
Reduction of financing lease liability	(396)	(261)
Proceeds from exercise of stock options	0	26
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(227)	(211)
Net cash used in financing activities	(64,626)	(74,269)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS and RESTRICTED CASH	(42,652)	(33,441)
CASH, CASH EQUIVALENTS and RESTRICTED CASH, beginning of year	253,944	257,468
CASH, CASH EQUIVALENTS and RESTRICTED CASH, end of period	211,292	224,027
Supplemental Disclosure of Cash Flow Information
Cash paid for interest, net of amounts capitalized	(64)	(54)
Supplemental Disclosure of Noncash Investing and Financing Activities
Capital expenditures for property, plant and equipment in accounts payables and accrued expenses	641	1,775
Right-of-use assets obtained in exchange for financing lease obligations	230	260
Inventory material transfers to oil and natural gas properties	71	1,205
Asset retirement obligation capitalized	0	12
Change in dividends payable	$ (65)	$ (557)