Restatement of the Consolidated Financial Statements - Additional Information (Detail)	3 Months Ended
Mar. 31, 2016
Merck KGaA [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue recognition, recorded revenue cost plus percentage	20.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration