Net Loss Per Share Attributable to Vertex Common Shareholders (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Potential gross common equivalent shares

The Company did not include the securities described in the following table in the computation of the net loss per share attributable to Vertex common shareholder calculations because the effect would have been anti-dilutive during each period:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2014	2013	2014	2013
	(in thousands)
Stock options	13,097	16,807	13,097	16,807
Unvested restricted stock and restricted stock units	2,672	2,838	2,672	2,838