CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 40,395	$ 83,216
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation, depletion, and amortization	10,431	8,365
(Gain) loss on derivative contracts	(1,447)	1,064
Realized settlement gains (losses) on derivative contracts	5,876	(1,085)
Stock-based compensation	946	754
Other	77	76
Changes in operating assets and liabilities	7,574	(13,234)
Net cash provided by operating activities	63,852	79,156
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures for property, plant and equipment	(24,327)	(11,959)
Acquisition of assets	0	(1,431)
Purchase of other property and equipment	(31)	(49)
Proceeds from sale of assets	1,334	306
Net cash used in investing activities	(23,024)	(13,133)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid to shareholders	(73,823)	0
Reduction of financing lease liability	(261)	(197)
Proceeds from exercise of stock options	26	70
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(211)	(235)
Net cash used in financing activities	(74,269)	(362)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS and RESTRICTED CASH	(33,441)	65,661
CASH, CASH EQUIVALENTS and RESTRICTED CASH, beginning of year	257,468	139,524
CASH, CASH EQUIVALENTS and RESTRICTED CASH, end of period	224,027	205,185
Supplemental Disclosure of Cash Flow Information
Cash paid for interest, net of amounts capitalized	(54)	(167)
Supplemental Disclosure of Noncash Investing and Financing Activities
Capital expenditures for property, plant and equipment in accounts payables and accrued expenses	1,775	10,858
Right-of-use assets obtained in exchange for financing lease obligations	260	117
Inventory material transfers to oil and natural gas properties	1,205	0
Asset retirement obligation capitalized	12	0
Dividends Declared, Not Yet Paid	$ (557)	$ 0