Capitalized Costs and Accumulated Depreciation, Depletion and Amortization (Tables)

6 Months Ended

Jun. 30, 2023

Extractive Industries [Abstract]

Capitalized Costs and Accumulated Depreciation, Depletion and Amortization

	June 30, 2023			December 31, 2022
	(in thousands)
Natural gas properties:
Properties subject to depletion	$	10,163,846		$	9,855,287
Unproved properties		786,403			800,592
Total		10,950,249			10,655,879
Accumulated depletion and depreciation		(4,933,579	)		(4,765,475	)
Net capitalized costs	$	6,016,670		$	5,890,404

(a)Includes capitalized asset retirement costs and the associated accumulated amortization.