Annual report pursuant to Section 13 and 15(d)

Common Stock and Net Loss Per Share - Schedule of potential common shares that were excluded from the computation of diluted net loss per share (Details)

v2.4.1.9
Common Stock and Net Loss Per Share - Schedule of potential common shares that were excluded from the computation of diluted net loss per share (Details)
In Thousands, unless otherwise specified
11 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Jan. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total common stock equivalents (in shares) 33,074us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 22,004us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 31,615us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Options to purchase common stock      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total common stock equivalents (in shares) 22,708us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= p_EmployeeAndNonEmployeeStockOptionsMember
10,980us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= p_EmployeeAndNonEmployeeStockOptionsMember
26,103us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= p_EmployeeAndNonEmployeeStockOptionsMember
Restricted stock units      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total common stock equivalents (in shares) 10,366us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockUnitsRSUMember
11,024us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockUnitsRSUMember
5,512us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockUnitsRSUMember