Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Stockholders' Equity [Abstract]
Common stock, dividends (in usd per share)	$ 0.375	$ 0.3125	$ 0.3125	$ 0.3125	$ 1.3125	$ 0.85	$ 0.65
Contribution related to formation of San Mateo, tax					$ 2.7	$ 5.0	$ 8.0