Revenue and Accounts Receivable - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended		21 Months Ended
	Nov. 30, 2023	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Percent of customers excluded			88.00%	88.00%
Reduction to bad debt expense			$ (6,750)	$ (7,233)
Recovery of uncollectible accounts, not yet been written off			$ 4,192
Mississippi Public Service Commission
Disaggregation of Revenue [Line Items]
Recovery of uncollectible accounts, term	1 year	2 years	2 years		2 years
Reduction to bad debt expense			$ 13,900
Recovery of uncollectible accounts, previously written off but not yet recovered through rates					$ 9,700
Recovery of uncollectible accounts, not yet been written off			$ 4,200
Distribution segment
Disaggregation of Revenue [Line Items]
Regulatory mechanism threshold (in percent)			75.00%
Pipeline and storage segment
Disaggregation of Revenue [Line Items]
Rate case revenue benchmark	$ 69,400	$ 106,900