Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 298.4	$ 244.1
Interest bearing deposits in banks	971.1	577.8
Federal funds sold	0.1	0.1
Total cash and cash equivalents	1,269.6	822.0
Investment securities:
Available-for-sale	2,732.2	2,270.7
Held-to-maturity (estimated fair values of $97.2 and $400.7 at September 30, 2019 and December 31, 2018, respectively)	94.9	406.8
Total investment securities	2,827.1	2,677.5
Loans held for investment	8,992.6	8,470.4
Mortgage loans held for sale	108.9	33.3
Total loans	9,101.5	8,503.7
Less allowance for loan losses	75.0	73.0
Net loans	9,026.5	8,430.7
Goodwill	622.6	546.7
Company-owned life insurance	292.8	275.1
Premises and equipment, net of accumulated depreciation	302.8	245.2
Core deposit intangibles, net of accumulated amortization	65.0	56.9
Accrued interest receivable	51.1	44.9
Mortgage servicing rights, net of accumulated amortization and impairment reserve	29.8	27.7
Other real estate owned (“OREO”)	17.8	14.4
Other assets	196.5	159.1
Total assets	14,701.6	13,300.2
Deposits:
Non-interest bearing	3,639.7	3,158.3
Interest bearing	8,159.9	7,522.4
Total deposits	11,799.6	10,680.7
Securities sold under repurchase agreements	636.9	712.4
Accounts payable and accrued expenses	145.8	94.1
Accrued interest payable	12.3	7.8
Deferred tax liability, net	23.6	8.6
Long-term debt	13.9	15.8
Subordinated debentures held by subsidiary trusts	86.9	86.9
Total liabilities	12,719.0	11,606.3
Stockholders’ equity:
Nonvoting noncumulative preferred stock without par value; authorized 100,000 shares; no shares issued and outstanding as of September 30, 2019 or December 31, 2018	0.0	0.0
Common stock	1,047.8	866.7
Retained earnings	921.4	851.8
Accumulated other comprehensive gain (loss), net	13.4	(24.6)
Total stockholders’ equity	1,982.6	1,693.9
Total liabilities and stockholders’ equity	$ 14,701.6	$ 13,300.2