Organization and Business Activities - General (Details) $ / shares in Units, $ in Thousands			9 Months Ended
	Sep. 22, 2017 USD ($) $ / shares shares	Jun. 23, 2017 $ / shares	Sep. 30, 2017 USD ($) $ / shares
Organization And Business Activities
Nominal value of ordinary stock (in dollars per share) | $ / shares			$ 0.01
Gross proceeds from sale of stock			$ 80,000
Cash and cash equivalents and short term investments			$ 112,700
Public offering | Ordinary Shares
Organization And Business Activities
Number of shares issued to public | shares	9,411,765
Shares issued price per share | $ / shares	$ 8.50
Gross proceeds from sale of stock	$ 80,000
Proceeds from sale of stock, net of underwriting discounts, commissions and offering expenses	$ 73,300
Nabriva Therapeutics AG ("Nabriva Austria") | Redomiciliation Transaction
Organization And Business Activities
Nominal value of ordinary stock (in dollars per share) | $ / shares		$ 0.01
Percent of outstanding share capital exchanged		98.50%	100.00%
Nabriva Therapeutics AG ("Nabriva Austria") | Redomiciliation Transaction | Common Stock
Organization And Business Activities
Conversion ratio of common stock to ordinary shares		0.10
Nabriva Therapeutics AG ("Nabriva Austria") | Redomiciliation Transaction | ADS
Organization And Business Activities
Conversion ratio of common stock to ordinary shares		1