Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Income (Loss) (Numerator) [Abstract]
Net income attributable to Progenics, basic										$ 4,410
Dilutive effect of contingent consideration liability										0
Dilutive effect of stock options										0
Net income attributable to Progenics, diluted										4,410
Net loss attributable to Progenics, basic and diluted	$ (7,147)	$ (10,014)	$ (11,697)	$ (10,254)					$ (39,112)	$ 4,410	$ (42,572)
Weighted Average Common Shares (Denominator) Abstract
Shares outstanding, Basic (in shares)									69,716	68,185	55,798
Dilutive effect of contingent consideration liability (shares)										0
Dilutive effect of stock options (in shares)										58
Shares outstanding, Diluted (in shares)									69,716	68,243	55,798
Shares outstanding, Basic and Diluted (in shares)									69,716		55,798
Per share [Abstract]
Net income (loss) per share attributable to Progenics, basic (in dollars per share)	$ (0.10)	$ (0.14)	$ (0.17)	$ (0.15)	$ (0.18)	$ 0.53	$ (0.17)	$ (0.15)	$ (0.56)	$ 0.06	$ (0.76)
Net income (loss) per share attributable to Progenics, diluted (in dollars per share)	$ (0.10)	$ (0.14)	$ (0.17)	$ (0.15)	$ (0.18)	$ 0.51	$ (0.17)	$ (0.15)	(0.56)	$ 0.06	(0.76)
Net income (loss) per share, basic and diluted (in dollars per share)									$ (0.56)		$ (0.76)
Anti-dilutive common shares excluded from diluted per share amounts [Abstract]
Weighted Average Number (in shares)									9,208	8,493	9,513
Options [Member]
Anti-dilutive common shares excluded from diluted per share amounts [Abstract]
Weighted Average Number (in shares)									6,381	5,036	5,969
Weighted Average Exercise Price (in dollars per share)									$ 9.70	$ 10.56	$ 11.54
Contingent Consideration Liability [Member]
Anti-dilutive common shares excluded from diluted per share amounts [Abstract]
Weighted Average Number (in shares)									2,827	3,457	3,544