Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Assets
Cash and due from banks	$ 438.9	$ 378.2
Interest-bearing deposits in banks	259.6	199.7
Federal funds sold	0.1	0.1
Total cash and cash equivalents	698.6	578.0
Investment securities:
Available-for-sale, at fair value	5,534.3	5,841.5
Held-to-maturity (estimated fair values of $2,480.5 at September 30, 2024 and $2,874.0 at December 31, 2023)	2,741.3	3,207.9
Total investment securities	8,275.6	9,049.4
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	155.5	223.2
Loans held for sale ($2.1 and $0.5 of which is recorded at fair value at September 30, 2024 December 31, 2023)	20.9	47.4
Loans held for investment, net of deferred fees and costs	18,027.1	18,279.6
Allowance for credit losses	(225.4)	(227.7)
Net loans held for investment	17,801.7	18,051.9
Goodwill	1,100.9	1,100.9
Bank Owned Life Insurance	511.0	502.4
Premises and equipment, net of accumulated depreciation	432.7	444.3
Other intangibles, net of accumulated amortization	70.4	81.4
Accrued interest receivable	127.3	129.1
Mortgage servicing rights, net of accumulated amortization	26.3	28.3
Real Estate Acquired Through Foreclosure	4.4	16.5
Deferred tax assets	110.9	150.0
Other assets	259.3	268.4
Total assets	29,595.5	30,671.2
Deposits:
Non-interest bearing	5,919.0	6,029.6
Interest bearing	16,945.1	17,293.5
Total deposits	22,864.1	23,323.1
Securities sold under repurchase agreements	557.2	782.7
Accounts payable and accrued expenses	334.7	380.4
Accrued interest payable	87.7	52.2
Long-term debt	137.3	120.8
Other Short-term Borrowings	2,080.0	2,603.0
Allowance for credit losses on off-balance sheet credit exposures	5.6	18.4
Subordinated debentures held by subsidiary trusts	163.1	163.1
Total liabilities	26,229.7	27,443.7
Stockholders’ equity:
Preferred stock, no par value; 100,000 shares authorized; none issued and outstanding	0.0	0.0
Common stock and additional paid-in-capital, $0.00001 par value; 150,000,000 shares authorized; 104,529,863 and 103,941,626 shares were issued and outstanding at September 30, 2024 and December 31, 2023	2,457.4	2,448.9
Retained earnings	1,163.3	1,135.1
Accumulated other comprehensive loss, net	(254.9)	(356.5)
Total stockholders’ equity	3,365.8	3,227.5
Total liabilities and stockholders’ equity	$ 29,595.5	$ 30,671.2
Common Stock, Shares Authorized	150,000,000