CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Fee Revenue and Other Income:
Information services payment and processing revenue	$ 24,827	$ 22,289
Bank service fees	335	282
Gains on sales of securities	13
Other	199	200
Total fee revenue and other income	25,374	22,771
Interest Income:
Interest and fees on loans	7,542	6,953
Interest and dividends on securities:
Taxable	321	77
Exempt from federal income taxes	2,565	2,601
Interest on federal funds sold and other short-term investments	860	368
Total interest income	11,288	9,999
Interest Expense:
Interest on deposits	679	480
Net interest income	10,609	9,519
Provision for loan losses
Net interest income after provision for loan losses	10,609	9,519
Total net revenue	35,983	32,290
Operating Expense:
Salaries and employee benefits	20,382	18,799
Occupancy	854	842
Equipment	1,308	1,304
Amortization of intangible assets	110	99
Other operating expense	3,528	3,274
Total operating expense	26,182	24,318
Income before income tax expense	9,801	7,972
Income tax expense	1,709	1,665
Net income	$ 8,092	$ 6,307
Basic earnings per share	$ 0.66	$ 0.51
Diluted earnings per share	$ 0.65	$ 0.51