CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues
Revenues	$ 76,545	$ 73,983	$ 148,232	$ 140,760
Cost of revenues
Labor and other operating expenses	35,839	40,940	70,940	77,969
Depreciation, depletion and amortization	5,884	5,912	11,863	11,668
Total cost of revenues	41,723	46,852	82,803	89,637
Gross profit	34,822	27,131	65,429	51,123
Selling, general and administrative expenses	4,882	4,319	9,730	8,471
Operating profit	29,940	22,812	55,699	42,652
Other (income) expense, net
Other (income) expense, net	(2,786)	(1,825)	(5,326)	(3,332)
Income before income tax expense	32,726	24,637	61,025	45,984
Income tax expense	6,669	4,925	12,529	9,168
Net income	$ 26,057	$ 19,712	$ 48,496	$ 36,816
Net income per share of common stock
Basic (in dollars per share)	$ 0.91	$ 0.69	$ 1.70	$ 1.29
Diluted (in dollars per share)	$ 0.91	$ 0.69	$ 1.69	$ 1.29