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Fair Value Measurements (Reconciliation of Level 3 Liabilities) (Detail) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
MIlestone Payment | $ 1,247 | $ 2,000 |  |
Change in the estimated fair value of the contingent purchase price consideration |  | (926) | (2,370) | 109
Unobservable Inputs (Level 3) [Member] |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning Balance Liabilities |  | 7,142 | 6,351 |
MIlestone Payment |  | (1,247) | (1,579) |
Change in the estimated fair value of the contingent purchase price consideration |  | (926) | (2,370) |
Ending Balance Liabilities |  | $ 6,821 | $ 7,142 |

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- Definition MIlestone Payment + References No definition available. + Details
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- Definition Portion of balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Details
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