Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Recurring	$ 72,492	$ 47,820	$ 161,396	$ 102,171
Implementation and other	1,388	1,153	2,610	2,024
Total revenues	73,880	48,973	164,006	104,195
Cost of revenues
Operating expenses	10,479	7,134	21,264	14,605
Depreciation and amortization	1,386	887	2,572	1,697
Total cost of revenues	11,865	8,021	23,836	16,302
Administrative expenses
Sales and marketing	24,766	16,741	53,428	37,970
Research and development	4,202	1,907	8,062	3,774
General and administrative	15,220	10,096	30,426	22,080
Depreciation and amortization	1,823	1,400	3,546	2,723
Total administrative expenses	46,011	30,144	95,462	66,547
Total operating expenses	57,876	38,165	119,298	82,849
Operating income	16,004	10,808	44,708	21,346
Interest expense	(170)	(392)	(481)	(724)
Other income, net	116	19	150	52
Income before income taxes	15,950	10,435	44,377	20,674
Provision for income taxes	5,529	4,489	15,368	8,733
Net income	$ 10,421	$ 5,946	$ 29,009	$ 11,941
Earnings per share, basic	$ 0.18	$ 0.10	$ 0.50	$ 0.21
Earnings per share, diluted	$ 0.18	$ 0.10	$ 0.49	$ 0.21
Weighted average shares outstanding:
Basic	57,591,556	57,038,021	57,362,232	55,900,306
Diluted	58,697,229	58,369,083	58,707,213	57,469,918