Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Recurring	$ 151,885	$ 117,914
Implementation and other	2,031	1,594
Total revenues	153,916	119,508
Cost of revenues
Operating expenses	20,568	15,086
Depreciation and amortization	3,037	2,060
Total cost of revenues	23,605	17,146
Administrative expenses
Sales and marketing	32,352	25,579
Research and development	11,250	6,797
General and administrative	32,657	15,250
Depreciation and amortization	3,032	2,226
Total administrative expenses	79,291	49,852
Total operating expenses	102,896	66,998
Operating income	51,020	52,510
Interest expense		(257)
Other income (expense), net	1,030	95
Income before income taxes	52,050	52,348
Provision for income taxes	10,890	18,654
Net income	$ 41,160	$ 33,694
Earnings per share, basic	$ 0.71	$ 0.58
Earnings per share, diluted	$ 0.70	$ 0.57
Weighted average shares outstanding:
Basic	57,793,023	57,307,187
Diluted	58,738,732	58,525,980