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Segment and Related Information - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) Business_Unit | Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |
Number of business units | Business_Unit | 5 |
Payment for construction to expand building | $ 2.2 |
Enterprise Software |  |
Segment Reporting Information [Line Items] |  |
Payment for construction to expand building |  | $ 24.4

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- Definition Number of business units. + References No definition available. + Details
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Namespace Prefix: | tyl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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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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Namespace Prefix: | us-gaap_
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Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |