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Acquisition - Intangible Assets Acquired (Details) - USD ($) $ in Thousands | Jul. 30, 2020 | Oct. 09, 2019 | Oct. 19, 2020
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High Precision Devices, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 14,020 | $ 14,020
Weighted Average Useful Life (in years) |  | 7 years 8 months 12 days |
FRT |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 17,429 |
Weighted Average Useful Life (in years) |  | 6 years 10 months 24 days |
Baldwin Park |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets | $ 14,100 |  |
Weighted Average Useful Life (in years) | 8 years 3 months 18 days |  |
Baldwin Park | In-process research and development |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets | $ 400 |  |
Developed technologies | High Precision Devices, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 8,000 |
Weighted Average Useful Life (in years) |  | 10 years |
Developed technologies | FRT |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 12,505 |
Weighted Average Useful Life (in years) |  | 8 years |
Developed technologies | Baldwin Park |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets | $ 10,400 |  |
Weighted Average Useful Life (in years) | 10 years |  |
Customer relationships | High Precision Devices, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 5,400 |
Weighted Average Useful Life (in years) |  | 5 years |
Customer relationships | FRT |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 3,071 |
Weighted Average Useful Life (in years) |  | 6 years |
Customer relationships | Baldwin Park |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets | $ 3,300 |  |
Weighted Average Useful Life (in years) | 3 years |  |
Order backlog | High Precision Devices, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 400 |
Weighted Average Useful Life (in years) |  | 6 months |
Order backlog | FRT |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 1,645 |
Weighted Average Useful Life (in years) |  | 6 months |
Trade name | High Precision Devices, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 220 |
Weighted Average Useful Life (in years) |  | 5 years |
Trade name | FRT |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 208 |
Weighted Average Useful Life (in years) |  | 2 years |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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