Other Comprehensive Income/Loss (Tables)

6 Months Ended

Jun. 30, 2023

Equity [Abstract]

Schedule of Other Comprehensive Income and Related Tax Effects

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

	Pre-tax				Tax Expense (Benefit)				Net of Tax
Three Months Ended June 30,	2023		2022		2023		2022		2023		2022
Investment securities available-for sale:
Change in net unrealized gains (losses) during the period	$	(57.5)	$	(161.6)	$	(14.4)	$	(45.2)	$	(43.1)	$	(116.4)
Reclassification adjustment for net losses included in income	0.1		0.1		—		—		0.1		0.1
Net change in unamortized losses on available-for-sale investment securities transferred into held-to-maturity	(0.4)		(0.9)		(0.1)		(0.2)		(0.3)		(0.7)
Change in net unrealized loss on derivatives	(22.1)		(15.0)		(5.5)		(4.2)		(16.6)		(10.8)
Total other comprehensive income (loss)	$	(79.9)	$	(177.4)	$	(20.0)	$	(49.6)	$	(59.9)	$	(127.8)

	Pre-tax				Tax Expense (Benefit)				Net of Tax
Six Months Ended June 30,	2023		2022		2023		2022		2023		2022
Investment securities available-for sale:
Change in net unrealized loss during period	$	20.7	$	(414.2)	$	5.2	$	(107.9)	$	15.5	$	(306.3)
Reclassification adjustment for net loss (gain) included in net income	23.5		0.2		5.8		—		17.7		0.2
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 (gains) losses on available-for-sale securities transferred into held-to-maturity	(0.8)		(23.9)		(0.2)		(5.9)		(0.6)		(18.0)
Change in net unrealized gain (loss) on derivatives	(12.1)		6.3		(3.0)		1.1		(9.1)		5.2
Total other comprehensive loss	$	24.1	$	(431.4)	$	6.0	$	(112.6)	$	18.1	$	(318.8)

Schedule of Accumulated Other Comprehensive Income (Loss)

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

	June 30, 2023		December 31, 2022
Net unrealized loss on investment securities available-for-sale	$	(443.2)	$	(471.0)
Net unrealized loss on investment securities transferred to held-to-maturity	(5.2)		(4.5)
Net unrealized loss on derivatives	(10.6)		(1.6)
Net accumulated other comprehensive loss	$	(459.0)	$	(477.1)