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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Other Commitments [Line Items] |  |  |
Rent expense | $ 14,500 | $ 13,600 | $ 11,400
Deferred credits | 2,300 | 2,400 |
Property, plant, and equipment grants from Ireland | 142 | 147 | 170
Royalty expense | $ 5,300 | $ 4,400 | $ 3,200
Minimum |  |  |
Other Commitments [Line Items] |  |  |
Grant period | 5 years |  |
Maximum |  |  |
Other Commitments [Line Items] |  |  |
Grant period | 8 years |  |

X
- Definition Grants Related to Purchased Property Plant and Equipement + References No definition available. + Details
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- Definition Other Commitment, Foreign Government, Grant Liability Period + References No definition available. + Details
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- Definition Total carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income in future periods and obligations not separately disclosed in the balance sheet (other liabilities). + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_RoyaltyExpense
Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | duration

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- Details
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- Details
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