Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Subscription revenue	$ 177,350	[1]	$ 127,451	[1]	$ 92,317	[1]
Cost of subscription revenue	43,858		35,507		28,631
Gross profit	133,492		91,944		63,686
Operating expenses:
Sales and marketing	56,589		41,138		33,391
Research and development	11,036		7,379		6,021
General and administrative	36,375		31,047		18,309
Total operating expenses	104,000		79,564		57,721
Income from operations	29,492		12,380		5,965
Interest income (expense), net	(1,999)		(2,075)		(2,386)
Foreign currency transaction gain (loss), net	(1,139)		(24)		155
Loss on extinguishment of debt			(934)
Other income (expense), net			(32)
Income before income taxes	26,354		9,315		3,734
Provision for (benefit from) income taxes	(4,103)		3,907		865
Net income	30,457		5,408		2,869
Accretion of redeemable convertible preferred shares to redemption value			(335)		(446)
Net income attributable to participating securities					(2,294)
Net income attributable to ordinary shareholders	$ 30,457		$ 5,073		$ 129
Net income per share attributable to ordinary shareholders:
Basic	$ 0.85		$ 0.58		$ 0.09
Diluted	$ 0.82		$ 0.50		$ 0.08
Weighted average ordinary shares outstanding:
Basic	35,722,300		8,822,169		1,497,150
Diluted	37,139,839		10,084,580		2,077,592

[1] Subscription revenue represents sales to external customers based on the location of the customer.