Other Comprehensive Income/Loss (Tables)

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Schedule of Other Comprehensive Income and Related Tax Effects

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

	Pre-tax				Tax Expense (Benefit)				Net of Tax
Three Months Ended September 30,	2023		2022		2023		2022		2023		2022
Investment securities available-for sale:
Change in net unrealized losses during the period	$	(72.1)	$	(236.4)	$	(17.9)	$	(53.4)	$	(54.2)	$	(183.0)
Reclassification adjustment for net losses included in income	—		24.2		—		5.5		—		18.7
Net change in unamortized losses on available-for-sale investment securities transferred into held-to-maturity	(0.3)		(1.7)		(0.1)		(0.4)		(0.2)		(1.3)
Change in net unrealized loss on derivatives	(11.0)		(15.9)		(2.7)		(3.6)		(8.3)		(12.3)
Total other comprehensive loss	$	(83.4)	$	(229.8)	$	(20.7)	$	(51.9)	$	(62.7)	$	(177.9)

	Pre-tax				Tax Expense (Benefit)				Net of Tax
Nine Months Ended September 30,	2023		2022		2023		2022		2023		2022
Investment securities available-for sale:
Change in net unrealized losses during period	$	(51.4)	$	(650.6)	$	(12.7)	$	(161.3)	$	(38.7)	$	(489.3)
Reclassification adjustment for net losses included in net income	23.5		24.4		5.8		5.5		17.7		18.9
Reclassification adjustment for securities transferred from held-to-maturity to available-for-sale	(7.2)		0.2		(1.8)		0.1		(5.4)		0.1
Net change in unamortized losses on available-for-sale securities transferred into held-to-maturity	(1.1)		(25.6)		(0.3)		(6.3)		(0.8)		(19.3)
Change in net unrealized loss on derivatives	(23.1)		(9.6)		(5.7)		(2.5)		(17.4)		(7.1)
Total other comprehensive loss	$	(59.3)	$	(661.2)	$	(14.7)	$	(164.5)	$	(44.6)	$	(496.7)

Schedule of Accumulated Other Comprehensive Income (Loss)

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

	September 30, 2023		December 31, 2022
Net unrealized loss on investment securities available-for-sale	$	(497.4)	$	(471.0)
Net unrealized loss on investment securities transferred to held-to-maturity	(5.4)		(4.5)
Net unrealized loss on derivatives	(18.9)		(1.6)
Net accumulated other comprehensive loss	$	(521.7)	$	(477.1)