Summary Of Significant Accounting Policies (Equipment And Leasehold Improvements And Related Accumulated Depreciation And Amortization) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 47,841	$ 40,104
Less accumulated depreciation and amortization	(11,432)	(8,371)
Property and equipment, net	36,409	31,733
Equipment (including manufacturing, laboratory and office)
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	32,816	26,237
Building
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	13,000	12,015
Land and land improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	502	406
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,523	$ 1,446