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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

X

- 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

X

- 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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Balance Type:	credit
Period Type:	duration

X

- 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_
Data Type:	xbrli:stringItemType
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- Details

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Balance Type:
Period Type: