Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest income:
Interest and fees on loans	$ 52,948	$ 47,307	$ 103,398	$ 87,233
Interest on debt securities:
Taxable	4,228	3,585	8,215	6,815
Nontaxable	271	304	553	690
Interest on interest-bearing deposits	231	234	471	364
Dividends on equity securities	201	112	406	180
Total interest income	57,879	51,542	113,043	95,282
Interest expense:
Interest-bearing transaction accounts	817	523	1,623	1,198
Money market accounts	4,445	1,938	7,798	3,431
Savings accounts	147	125	272	207
Certificates of deposit	2,338	1,373	4,237	2,588
Subordinated debentures and notes	1,454	1,288	2,822	2,452
Federal Home Loan Bank advances	1,448	522	2,706	852
Notes payable and other borrowings	182	140	366	279
Total interest expense	10,831	5,909	19,824	11,007
Net interest income	47,048	45,633	93,219	84,275
Provision for portfolio loan losses	2,385	3,623	4,256	5,156
Provision reversal for purchased credit impaired loan losses	(1,995)	(207)	(1,995)	(355)
Net interest income after provision for loan losses	46,658	42,217	90,958	79,474
Noninterest income:
Service charges on deposit accounts	3,007	2,816	5,858	5,326
Wealth management revenue	2,141	2,054	4,255	3,887
Fees and Commissions, Credit and Debit Cards	1,650	1,392	3,166	2,429
Gain on state tax credits, net	64	9	316	255
Gain on sale of other real estate	0	17	0	17
Gain on sale of investment securities	0	0	9	0
Miscellaneous income	2,831	1,646	5,631	2,996
Total noninterest income	9,693	7,934	19,235	14,910
Noninterest expense:
Employee compensation and benefits	16,582	15,798	33,073	31,006
Occupancy	2,342	2,265	4,748	4,194
Data processing	1,533	1,806	3,000	3,439
Professional fees	747	1,079	1,596	1,916
FDIC and other insurance	920	650	1,837	1,474
Loan legal and other real estate expense	(23)	613	276	958
Merger related expenses	0	4,480	0	6,147
Other	7,118	5,960	13,832	10,253
Total noninterest expense	29,219	32,651	58,362	59,387
Income before income tax expense	27,132	17,500	51,831	34,997
Income tax expense	4,881	5,545	8,659	10,651
Net income	$ 22,251	$ 11,955	$ 43,172	$ 24,346
Earnings per common share
Basic (usd per share)	$ 0.96	$ 0.51	$ 1.87	$ 1.07
Diluted (usd per share)	$ 0.95	$ 0.50	$ 1.85	$ 1.06