Deposits (Tables)

12 Months Ended

Dec. 31, 2025

Deposits [Abstract]

Schedule of Deposits, By Type

Deposits are summarized as follows:

December 31,	2025		2024
Noninterest bearing	$	5,286.8	$	5,797.6
Interest bearing:
Demand	6,319.7		6,495.2
Savings	7,843.5		7,832.3
Time, $250 and over	792.9		825.0
Time, other	1,845.4		2,065.5
Total interest bearing	16,801.5		17,218.0
Total deposits(1)	$	22,088.3	$	23,015.6
(1) Inclusive of approximately $303.5 million in deposits related to the pending sale of the 11 branches in Nebraska expected to close in the second quarter of 2026 and six branches pending closure at the end of February 2026.

Schedule of Maturities of Time Deposits

Maturities of time deposits at December 31, 2025 are as follows:

	Time, $250 and Over		Time, other		Total Time
Due within 3 months or less	$	417.7	$	780.2	$	1,197.9
Due after 3 months and within 6 months	236.9		636.5		873.4
Due after 6 months and within 12 months	120.9		338.3		459.2
Due within 2027	14.9		62.0		76.9
Due within 2028	0.7		13.3		14.0
Due within 2029	0.7		6.4		7.1
Due within 2030 and thereafter	1.1		8.7		9.8
Total	$	792.9	$	1,845.4	$	2,638.3