Stockholders' Equity Additional Details (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred Stock, Shares Authorized		2,000,000.0	2,000,000
Preferred Stock, Par or Stated Value Per Share		$ 10	$ 10
Issuance of stock for Dividend Reinvestment Plan		$ 123.2	$ 72.5
Proceeds from Issuance or Sale of Equity		123.0	$ 72.6	$ 366.4
Equity Issued in Business Combination, Fair Value Disclosure		$ 366.4
Florida City Gas
Accumulated Other Comprehensive Income (Loss) [Line Items]
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares	[1],[2]			4,439,000
Common Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock Issued During Period, Shares, Dividend Reinvestment Plan	[1],[2],[3]		627,000
Shares Issued, Price Per Share		$ 82.72
Maximum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Proceeds from Stock Plans		$ 100.0

[1] 2.0 million shares of preferred stock at $0.01 par value per share have been authorized. No preferred shares have been issued or are outstanding; accordingly, no information has been included in the Consolidated Statements of Stockholders’ Equity.

[2] Includes 129 thousand, 114 thousand and 108 thousand shares at December 31, 2025, 2024 and 2023, respectively, held in a Rabbi Trust related to our Non-Qualified Deferred Compensation Plan

[3] Includes shares issued under the Retirement Savings Plan, DRIP and/or ATM, as applicable.