Consolidated balance sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Cash and due from banks	$ 81,366	$ 29,831
Federal funds sold	801	66,127
Interest bearing deposits in financial institutions	99,463	23,793
Cash and cash equivalents	181,630	119,751
Investments:
Available-for-sale debt securities, at fair value	606,501	536,270
Equity securities, at fair value	3,067	7,722
Federal Home Loan Bank stock, at cost	13,432	11,412
Loans held for sale, at fair value	323,486	526,185
Loans	3,538,531	3,166,911
Less: allowance for loan losses	27,608	24,041
Net loans	3,510,923	3,142,870
Premises and equipment, net	86,445	81,577
Other real estate owned, net	13,587	16,442
Interest receivable	14,943	13,069
Mortgage servicing rights, at fair value	79,890	76,107
Goodwill	137,190	137,190
Core deposit and other intangibles, net	12,403	14,902
Other assets	74,670	44,216
Total assets	5,058,167	4,727,713
Deposits
Noninterest-bearing	962,948	888,200
Interest-bearing checking	876,991	895,140
Money market and savings	1,236,851	1,192,726
Customer time deposits	940,601	602,628
Brokered and internet time deposits	112,082	85,701
Total deposits	4,129,473	3,664,395
Borrowings	210,968	347,595
Accrued expenses and other liabilities	68,995	118,994
Total liabilities	4,409,436	4,130,984
SHAREHOLDERS' EQUITY
Common stock, $1 par value per share; 75,000,000 shares authorized; 30,715,792 and 30,535,517 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively	30,716	30,536
Additional paid-in capital	422,302	418,596
Retained earnings	206,718	147,449
Accumulated other comprehensive (loss) income, net	(11,005)	148
Total shareholders' equity	648,731	596,729
Total liabilities and shareholders' equity	$ 5,058,167	$ 4,727,713