Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 261.0	$ 244.1
Interest bearing deposits in banks	865.8	577.8
Federal funds sold	2.1	0.1
Total cash and cash equivalents	1,128.9	822.0
Investment securities:
Available-for-sale	2,609.7	2,270.7
Held-to-maturity (estimated fair values of $100.8 and $400.7 at June 30, 2019 and December 31, 2018, respectively)	98.8	406.8
Total investment securities	2,708.5	2,677.5
Loans held for investment	8,995.2	8,470.4
Mortgage loans held for sale	64.1	33.3
Total loans	9,059.3	8,503.7
Less allowance for loan losses	74.2	73.0
Net loans	8,985.1	8,430.7
Goodwill	623.5	546.7
Company-owned life insurance	291.7	275.1
Premises and equipment, net of accumulated depreciation	321.1	245.2
Core deposit intangibles, net of accumulated amortization	67.9	56.9
Accrued interest receivable	50.2	44.9
Mortgage servicing rights, net of accumulated amortization and impairment reserve	28.6	27.7
Other real estate owned (“OREO”)	27.6	14.4
Other assets	181.5	159.1
Total assets	14,414.6	13,300.2
Deposits:
Non-interest bearing	3,372.9	3,158.3
Interest bearing	8,117.0	7,522.4
Total deposits	11,489.9	10,680.7
Securities sold under repurchase agreements	686.7	712.4
Accounts payable and accrued expenses	149.9	94.1
Accrued interest payable	12.4	7.8
Deferred tax liability, net	24.4	8.6
Long-term debt	15.8	15.8
Subordinated debentures held by subsidiary trusts	86.9	86.9
Total liabilities	12,466.0	11,606.3
Stockholders’ equity:
Nonvoting noncumulative preferred stock without par value; authorized 100,000 shares; no shares issued and outstanding as of June 30, 2019 or December 31, 2018	0.0	0.0
Common stock	1,045.6	866.7
Retained earnings	892.5	851.8
Accumulated other comprehensive gain (loss), net	10.5	(24.6)
Total stockholders’ equity	1,948.6	1,693.9
Total liabilities and stockholders’ equity	$ 14,414.6	$ 13,300.2