Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues
Recurring	$ 96,351	$ 72,492	$ 214,265	$ 161,396
Implementation and other	1,876	1,388	3,470	2,610
Total revenues	98,227	73,880	217,735	164,006
Cost of revenues
Operating expenses	15,609	10,479	30,695	21,264
Depreciation and amortization	2,267	1,386	4,327	2,572
Total cost of revenues	17,876	11,865	35,022	23,836
Administrative expenses
Sales and marketing	34,070	24,766	70,918	53,428
Research and development	8,095	4,202	14,892	8,062
General and administrative	26,657	15,220	44,483	30,426
Depreciation and amortization	2,440	1,823	4,666	3,546
Total administrative expenses	71,262	46,011	134,959	95,462
Total operating expenses	89,138	57,876	169,981	119,298
Operating income	9,089	16,004	47,754	44,708
Interest expense	(281)	(170)	(538)	(481)
Other income, net	149	116	244	150
Income before income taxes	8,957	15,950	47,460	44,377
Provision for income taxes	(5,264)	5,529	7,625	15,368
Net income	$ 14,221	$ 10,421	$ 39,835	$ 29,009
Earnings per share, basic	$ 0.24	$ 0.18	$ 0.69	$ 0.50
Earnings per share, diluted	$ 0.24	$ 0.18	$ 0.67	$ 0.49
Weighted average shares outstanding:
Basic	57,898,914	57,591,556	57,623,107	57,362,232
Diluted	58,816,442	58,697,229	58,817,181	58,707,213