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Business Acquisitions - Estimated Fair Value of Purchased Intangible Assets and Estimated Useful Lives (Detail) - USD ($) $ in Thousands | Dec. 18, 2018 | Oct. 03, 2018
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E D I Admin [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 3,400
E D I Admin [Member] | Subscriber Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 600
Estimated Life (in years) |  | 10 years
E D I Admin [Member] | Developed Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 2,800
Estimated Life (in years) |  | 10 years
CovalentWorks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 7,210 |
CovalentWorks [Member] | Subscriber Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 7,100 |
Estimated Life (in years) | 7 years |
CovalentWorks [Member] | Developed Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 100 |
Estimated Life (in years) | 3 years |
CovalentWorks [Member] | Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 10 |
Estimated Life (in years) | 1 year |

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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 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 increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Details
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