Other Comprehensive Income/Loss

6 Months Ended

Jun. 30, 2026

Equity [Abstract]

Other Comprehensive Income/Loss

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

	Pre-tax				Tax (Expense) Benefit				Net of Tax
Three Months Ended June 30,	2026		2025		2026		2025		2026		2025
Investment securities available-for-sale:
(Increase) decrease in unrealized losses during the period	$	(10.4)	$	44.7	$	2.6	$	(11.1)	$	(7.8)	$	33.6
Net change in unamortized gains (losses) on available-for-sale securities transferred into held-to-maturity	0.1		(0.1)		—		—		0.1		(0.1)
Cash flow hedge:
Change in unrealized gains on derivatives	—		0.9		—		(0.1)		—		0.8
Reclassification adjustment for derivatives net losses included in net income	(0.1)		0.4		—		(0.1)		(0.1)		0.3
Total other comprehensive (loss) income	$	(10.4)	$	45.9	$	2.6	$	(11.3)	$	(7.8)	$	34.6

	Pre-tax				Tax (Expense) Benefit				Net of Tax
Six Months Ended June 30,	2026		2025		2026		2025		2026		2025
Investment securities available-for-sale:
(Increase) decrease in unrealized losses during the period	$	(33.9)	$	115.4	$	8.4	$	(28.8)	$	(25.5)	$	86.6
Net change in unamortized gains (losses) on available-for-sale securities transferred into held-to-maturity	0.2		(0.1)		—		—		0.2		(0.1)
Cash flow hedge:
Change in unrealized gains on derivatives	—		1.9		—		(0.4)		—		1.5
Reclassification adjustment for derivatives net losses included in net income	(0.1)		1.4		—		(0.4)		(0.1)		1.0
Total other comprehensive (loss) income	$	(33.8)	$	118.6	$	8.4	$	(29.6)	$	(25.4)	$	89.0

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

	June 30, 2026		December 31, 2025
Net unrealized loss on investment securities available-for-sale	$	(198.1)	$	(172.6)
Net unrealized loss on investment securities transferred to held-to-maturity	(5.5)		(5.7)
Net unrealized gain on derivatives	0.1		0.2
Net accumulated other comprehensive loss	$	(203.5)	$	(178.1)