Other Information (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Other current assets:
Natural gas and NGLs inventory	$ 124.9	$ 49.4
Prepaid expenses and other	34.8	34.2
Other current assets	159.7	83.6
Other current liabilities:
Accrued interest	47.2	47.2
Accrued wages and benefits, including taxes	22.2	33.1
Accrued ad valorem taxes	24.3	28.3
Capital expenditure accruals	19.3	23.2
Short-term lease liability	21.2	18.1
Installment payable	0.0	10.0
Inactive easement commitment	10.0	9.8
Operating expense accruals	14.2	9.6
Other	25.7	23.6
Other current liabilities	$ 184.1	$ 202.9