CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 214,519	$ 189,543
Federal funds sold	683	1,173
Cash and cash equivalents	215,202	190,716
Investment securities available for sale, at fair value	450,525	246,339
Investment securities held to maturity, at amortized cost (fair value of $0 and $81,952 at December 31, 2017 and 2016, respectively)		78,672
Loans	3,226,678	2,319,976
Allowance for loan losses	(16,431)	(14,862)
Total loans, net	3,210,247	2,305,114
Loans held for sale, at fair value	50,089	70,565
Premises and equipment, net	76,162	66,692
Other real estate owned	5,708	3,560
Nonmarketable equity securities	34,796	19,485
Accrued interest receivable	11,715	8,202
Mortgage servicing rights, at lower of cost or market	56,352	68,008
Mortgage servicing rights held for sale	10,176
Intangible assets	16,932	7,187
Goodwill	98,624	48,836
Cash surrender value of life insurance policies	113,366	74,226
Accrued income taxes receivable	8,358	5,862
Deferred tax assets, net	12,024
Other assets	42,425	40,259
Total assets	4,412,701	3,233,723
Deposits:
Noninterest-bearing	724,443	562,333
Interest-bearing	2,406,646	1,842,033
Total deposits	3,131,089	2,404,366
Short-term borrowings	156,126	131,557
FHLB advances and other borrowings	496,436	237,518
Subordinated debt	93,972	54,508
Trust preferred debentures	45,379	37,405
Accrued interest payable	2,531	1,045
Deferred tax liabilities, net		8,598
Other liabilities	37,623	36,956
Total liabilities	3,963,156	2,911,953
Shareholders' Equity:
Preferred stock, Series H, $2 par value, $1,000 per share liquidation value; 2,636 shares authorized, issued and outstanding at December 31, 2017	2,970
Common stock, $0.01 par value; 40,000,000 shares authorized; 19,122,049 and 15,483,499 shares issued and outstanding at December 31, 2017 and 2016, respectively	191	155
Capital surplus	330,148	209,712
Retained earnings	114,478	112,513
Accumulated other comprehensive income (loss)	1,758	(610)
Total shareholders' equity	449,545	321,770
Total liabilities and shareholders' equity	$ 4,412,701	$ 3,233,723