Intangible Assets (Schedule of Balance of the Intangible Assets) (Details) (USD $) In Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2011		Dec. 31, 2010
Gross Intangible Assets	$ 713,490		$ 705,656
Accumulated Amortization	102,014		85,944
Net Intangible Assets	611,476		619,712
Cinryze Product Rights [Member]
Gross Intangible Assets	521,000		521,000
Accumulated Amortization	56,134		45,714
Net Intangible Assets	464,866		475,286
Vancocin Intangibles [Member]
Gross Intangible Assets	168,099		161,099
Accumulated Amortization	44,724		39,629
Net Intangible Assets	123,375		121,470
Auralis Contract Rights [Member]
Gross Intangible Assets	12,802		12,365
Accumulated Amortization	1,156		601
Net Intangible Assets	11,646		11,764
Auralis IPR&D [Member]
Intangible Assets	11,589	[1]	11,192	[1]
Accumulated Amortization		[1]		[1]

[1] non-amortizing