Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012	Jun. 30, 2011	Jun. 30, 2010
Stock-based compensation	$ 5,637	$ 1,121	$ 27,937	$ 2,954	$ 545
Subscription [Member]
Stock-based compensation	674	225	3,929	548	48
Professional services and other [Member]
Stock-based compensation	193	37	1,574	117	28
Sales and marketing [Member]
Stock-based compensation	2,010	431	10,189	1,004	277
Research and development [Member]
Stock-based compensation	704	207	6,496	468	90
General and administrative [Member]
Stock-based compensation	$ 2,056	$ 221	$ 5,749	$ 817	$ 102