Consolidated statements of income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest income:
Interest and fees on loans	$ 50,693	$ 29,006
Interest on securities
Taxable	2,852	2,567
Tax-exempt	925	1,040
Other	378	276
Total interest income	54,848	32,889
Deposits
Demand and savings accounts	3,315	1,531
Time deposits	1,756	583
Short-term borrowings	25	10
Long-term debt	1,323	514
Total interest expense	6,419	2,638
Net interest income	48,429	30,251
Provision for loan losses	317	(257)
Net interest income after provision for loan losses	48,112	30,508
Noninterest income:
Mortgage banking income	26,471	25,080
Service charges on deposit accounts	2,097	1,766
ATM and interchange fees	2,361	2,047
Investment services and trust income	1,206	814
(Loss) gain from securities, net	(47)	1
(Loss) gain or write-downs of other real estate owned	(186)	748
Gain from other assets	68
Other income	1,305	631
Total noninterest income	33,275	31,087
Noninterest expenses:
Salaries, commissions and employee benefits	34,149	29,006
Occupancy and equipment expense	3,605	3,109
Legal and professional fees	2,043	1,428
Data processing	2,035	1,501
Merger and conversion	1,193	487
Amortization of core deposits and other intangibles	853	392
Regulatory fees and deposit insurance assessments	562	435
Software license and maintenance fees	467	457
Advertising	3,282	2,932
Other expense	7,962	6,670
Total noninterest expense	56,151	46,417
Income before income taxes	25,236	15,178
Income tax expense (Note 7)	5,482	5,425
Net income	$ 19,754	$ 9,753
Weighted average shares of common stock outstanding
Basic	30,613,284	24,138,437
Fully diluted	31,421,830	24,610,991
Earnings per share
Basic	$ 0.65	$ 0.40
Fully diluted	$ 0.63	$ 0.40