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Summary of Gross Carrying Amount and Accumulated Amortization for Intangible Assets Resulting from Acquisitions (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 25,515 | $ 25,635
Accumulated amortization | (16,173) | (15,531)
Intangible assets, net | $ 9,342 | 10,104
Trademarks |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization period (in years) | 5 years |
Gross carrying amount | $ 749 | 763
Accumulated amortization | (267) | (229)
Intangible assets, net | 482 | 534
Developed Technology |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 9,054 | 9,109
Accumulated amortization | (5,098) | (4,873)
Intangible assets, net | $ 3,956 | 4,236
Developed Technology | Minimum |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization period (in years) | 10 years |
Developed Technology | Maximum |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization period (in years) | 12 years |
Customer Relationships |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 15,712 | 15,763
Accumulated amortization | (10,808) | (10,429)
Intangible assets, net | $ 4,904 | $ 5,334
Customer Relationships | Minimum |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization period (in years) | 4 years |
Customer Relationships | Maximum |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Amortization period (in years) | 12 years |

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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