CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fee Revenue and Other Income:
Information services payment and processing revenue	$ 23,761	$ 21,737	$ 69,332	$ 62,162
Bank service fees	327	284	998	931
Gains on sales of securities				387
Other	119	127	448	630
Total fee revenue and other income	24,207	22,148	70,778	64,110
Interest Income:
Interest and fees on loans	7,209	7,264	21,266	21,711
Interest and dividends on securities:
Taxable	107	36	268	69
Exempt from federal income taxes	2,605	2,386	7,865	7,217
Interest on federal funds sold and other short-term investments	744	299	1,597	775
Total interest income	10,665	9,985	30,996	29,772
Interest Expense:
Interest on deposits	571	505	1,521	1,522
Net interest income	10,094	9,480	29,475	28,250
Provision for loan losses				(1,000)
Net interest income after provision for loan losses	10,094	9,480	29,475	29,250
Total net revenue	34,301	31,628	100,253	93,360
Operating Expense:
Personnel	19,423	18,319	57,384	54,267
Occupancy	903	860	2,634	2,560
Equipment	1,242	1,124	3,746	3,289
Amortization of intangible assets	110	101	317	305
Other operating expense	3,364	3,147	10,180	9,105
Total operating expense	25,042	23,551	74,261	69,526
Income before income tax expense	9,259	8,077	25,992	23,834
Income tax expense	2,396	1,855	6,309	5,910
Net income	$ 6,863	$ 6,222	$ 19,683	$ 17,924
Basic earnings per share	$ 0.62	$ 0.56	$ 1.77	$ 1.61
Diluted earnings per share	$ 0.61	$ 0.55	$ 1.74	$ 1.58