CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Software licenses and royalties	$ 11,232	$ 8,830
Subscriptions	20,507	13,473
Software services	24,307	20,461
Maintenance	50,240	46,050
Appraisal services	4,851	5,591
Hardware and other	1,489	1,394
Total revenues	112,626	95,799
Cost of revenues:
Software licenses and royalties	531	426
Acquired software	481	549
Software services, maintenance and subscriptions	54,999	46,382
Appraisal services	3,311	3,799
Hardware and other	774	798
Total cost of revenues	60,096	51,954
Gross profit	52,530	43,845
Selling, general and administrative expenses	25,367	22,646
Research and development expense	6,172	5,598
Amortization of customer and trade name intangibles	1,129	1,131
Operating income	19,862	14,470
Other expense, net	259	338
Income before income taxes	19,603	14,132
Income tax provision	7,720	5,639
Net income	11,883	8,493
Earnings per common share:
Basic	$ 0.36	$ 0.27
Diluted	$ 0.33	$ 0.25
Comprehensive income	$ 11,883	$ 8,493