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Acquisitions - Purchase Price Allocation (Details) € in Thousands, $ in Thousands | 1 Months Ended |  |
--- | --- | --- | ---
Oct. 31, 2016 USD ($) | Oct. 31, 2016 EUR (€) | Oct. 02, 2016 USD ($) | Dec. 31, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |
Goodwill |  |  | $ 82,831 | $ 81,448
Subsequent Event | AQSense, S.L. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Accounts receivable | $ 168 |  |  |
Goodwill | 1,383 |  |  |
Accrued expenses | (14) |  |  |
Purchase price | 2,519 | € 2,232 |  |
Customer Relationships | Subsequent Event | AQSense, S.L. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets, other than Goodwill | 598 |  |  |
Completed Technology | Subsequent Event | AQSense, S.L. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets, other than Goodwill | $ 384 |  |  |

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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