Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest income:
Interest and fees on loans	$ 55,383	$ 48,020	$ 158,781	$ 135,253
Interest on debt securities:
Taxable	4,482	3,855	12,697	10,670
Nontaxable	263	294	816	984
Interest on interest-bearing deposits	306	173	777	537
Dividends on equity securities	323	126	729	306
Total interest income	60,757	52,468	173,800	147,750
Interest expense:
Interest-bearing transaction accounts	799	523	2,422	1,721
Money market accounts	5,423	2,410	13,221	5,841
Savings accounts	157	125	429	332
Certificates of deposit	2,878	1,493	7,115	4,081
Subordinated debentures and notes	1,483	1,316	4,305	3,768
Federal Home Loan Bank advances	1,729	832	4,435	1,684
Notes payable and other borrowings	195	144	561	423
Total interest expense	12,664	6,843	32,488	17,850
Net interest income	48,093	45,625	141,312	129,900
Provision for portfolio loan losses	2,332	2,422	6,588	7,578
Provision reversal for purchased credit impaired loan losses	(69)	0	(2,064)	(355)
Net interest income after provision for loan losses	45,830	43,203	136,788	122,677
Noninterest income:
Service charges on deposit accounts	2,997	2,820	8,855	8,146
Wealth management revenue	2,012	2,062	6,267	5,949
Fees and Commissions, Credit and Debit Cards	1,760	1,459	4,926	3,888
Gain on state tax credits, net	192	77	508	332
Gain on sale of other real estate	13	0	13	17
Gain on sale of investment securities	0	22	9	22
Miscellaneous income	1,436	1,932	7,067	4,928
Total noninterest income	8,410	8,372	27,645	23,282
Noninterest expense:
Employee compensation and benefits	16,297	15,090	49,370	46,096
Occupancy	2,394	2,434	7,142	6,628
Data processing	1,634	1,389	4,634	4,828
Professional fees	1,023	922	2,619	2,838
FDIC and other insurance	845	882	2,682	2,356
Loan legal and other real estate expense	322	586	598	1,544
Merger related expenses	0	315	0	6,462
Other	7,407	5,786	21,239	16,039
Total noninterest expense	29,922	27,404	88,284	86,791
Income before income tax expense	24,318	24,171	76,149	59,168
Income tax expense	1,802	7,856	10,461	18,507
Net income	$ 22,516	$ 16,315	$ 65,688	$ 40,661
Earnings per common share
Basic (usd per share)	$ 0.97	$ 0.70	$ 2.84	$ 1.77
Diluted (usd per share)	$ 0.97	$ 0.69	$ 2.81	$ 1.75