CONSOLIDATED STATEMENTS OF INCOME - Entity [Domain] - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Portal revenues	$ 71,030	$ 66,809	$ 136,944	$ 128,291
Software & services revenues	4,782	4,346	9,227	8,261
Total revenues	75,812	71,155	146,171	136,552
Operating expenses:
Cost of portal revenues, exclusive of depreciation & amortization (Note 1)	42,815	39,549	84,309	77,110
Cost of software & services revenues, exclusive of depreciation & amortization (Note 1)	1,321	1,245	2,611	2,238
Selling & administrative (Note 1)	10,818	9,841	21,356	19,049
Depreciation & amortization	2,304	2,277	4,596	4,527
Total operating expenses	57,258	52,912	112,872	102,924
Operating income (loss) before income taxes	18,554	18,243	33,299	33,628
Income tax provision	7,251	7,213	13,055	13,223
Net income	$ 11,303	$ 11,030	$ 20,244	$ 20,405
Basic net income per share (Note 1)	$ 0.17	$ 0.17	$ 0.31	$ 0.31
Diluted net income per share (Note 1)	$ 0.17	$ 0.17	$ 0.31	$ 0.31
Weighted average shares outstanding:
Basic	65,588	65,245	65,488	65,151
Diluted	65,588	65,245	65,488	65,151