Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 229.8	$ 196.5
Interest bearing deposits in banks	686.8	562.3
Federal Funds Sold	48.4	0.1
Total cash and cash equivalents	965.0	758.9
Investment securities:
Available-for-sale	2,158.8	2,208.7
Held-to-maturity (estimated fair values of $407.4 and $483.3 at September 30, 2018 and December 31, 2017, respectively)	417.8	484.5
Total investment securities	2,576.6	2,693.2
Loans held for investment	8,480.3	7,567.7
Mortgage loans held for sale	37.7	46.6
Total loans	8,518.0	7,614.3
Less allowance for loan losses	73.6	72.1
Net loans	8,444.4	7,542.2
Goodwill	546.4	444.7
Company-owned life insurance	273.7	260.6
Premises and equipment, net of accumulated depreciation	244.2	241.9
Accrued interest receivable	48.0	38.0
Mortgage servicing rights, net of accumulated amortization and impairment reserve	27.0	24.8
Core deposit intangibles, net of accumulated amortization	59.3	49.1
Other real estate owned (“OREO”)	17.3	10.1
Deferred tax asset, net	0.0	4.0
Other assets	153.9	145.8
Total assets	13,355.8	12,213.3
Deposits:
Non-interest bearing	3,261.2	2,900.0
Interest bearing	7,584.4	7,034.9
Total deposits	10,845.6	9,934.9
Securities sold under repurchase agreements	635.9	643.0
Accounts payable and accrued expenses	99.4	86.6
Accrued interest payable	6.7	5.6
Deferred tax liability, net	3.0	0.0
Long-term debt	22.4	13.1
Other borrowed funds	1.5	20.0
Subordinated debentures held by subsidiary trusts	86.9	82.5
Total liabilities	11,701.4	10,785.7
Stockholders’ equity:
Nonvoting noncumulative preferred stock without par value; authorized 100,000 shares; no shares issued and outstanding as of September 30, 2018 or December 31, 2017	0.0	0.0
Common stock	865.5	687.0
Retained earnings	828.3	752.6
Accumulated other comprehensive loss, net	(39.4)	(12.0)
Total stockholders’ equity	1,654.4	1,427.6
Total liabilities and stockholders’ equity	$ 13,355.8	$ 12,213.3