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Acquisition - Additional Information (Detail) (Crescendo Biosciences, Inc., USD $) | 0 Months Ended
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Feb. 28, 2014
Business Acquisition [Line Items] |
Total consideration transferred | $ 258,950,000
Business acquisition, cash transferred | 225,100,000
Elimination of intercompany balances related to accrued interest and term loan | 25,900,000
Fair value of purchase option granted | 8,000,000
Business acquisition, amount deposited into escrow account | 20,000,000
Share-based compensation to Crescendo employees | 6,929,000
Control bonuses paid to Crescendo employees | $ 5,695,000
Minimum |
Business Acquisition [Line Items] |
Period of audit completion | 12 months
Maximum |
Business Acquisition [Line Items] |
Period of audit completion | 15 months

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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