Other Comprehensive Income/Loss

3 Months Ended

Mar. 31, 2026

Equity [Abstract]

Other Comprehensive Income/Loss

The gross amounts of each component of other comprehensive loss and the related tax effects for the periods indicated are as follows:

	Pre-tax				Tax (Expense) Benefit				Net of Tax
Three Months Ended March 31,	2026		2025		2026		2025		2026		2025
Investment securities available-for sale:
(Increase) decrease in unrealized losses during the period	$	(23.5)	$	70.7	$	5.8	$	(17.7)	$	(17.7)	$	53.0
Net change in unamortized gains on available-for-sale securities transferred into held-to-maturity	0.1		—		—		—		0.1		—
Cash flow hedge:
Change in unrealized gains on derivatives	—		1.0		—		(0.3)		—		0.7
Reclassification adjustment for derivatives net losses included in net income	—		1.0		—		(0.3)		—		0.7
Total other comprehensive (loss) income	$	(23.4)	$	72.7	$	5.8	$	(18.3)	$	(17.6)	$	54.4

The components of accumulated other comprehensive loss, net of related tax effects, are as follows:

	March 31, 2026		December 31, 2025
Net unrealized loss on investment securities available-for-sale	$	(190.3)	$	(172.6)
Net unrealized loss on investment securities transferred to held-to-maturity	(5.6)		(5.7)
Net unrealized gain on derivatives	0.2		0.2
Net accumulated other comprehensive loss	$	(195.7)	$	(178.1)