Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues:
Software licenses and royalties	$ 49,065us-gaap_LicensesRevenue	$ 40,841us-gaap_LicensesRevenue	$ 33,928us-gaap_LicensesRevenue
Subscriptions	87,848tyl_SubscriptionRevenues	61,864tyl_SubscriptionRevenues	44,618tyl_SubscriptionRevenues
Software services	113,821us-gaap_TechnologyServicesRevenue	93,267us-gaap_TechnologyServicesRevenue	83,408us-gaap_TechnologyServicesRevenue
Maintenance	212,696us-gaap_MaintenanceRevenue	191,720us-gaap_MaintenanceRevenue	171,851us-gaap_MaintenanceRevenue
Appraisal services	21,802tyl_AppraisalServicesRevenue	20,825tyl_AppraisalServicesRevenue	22,543tyl_AppraisalServicesRevenue
Hardware and other	7,869tyl_HardwareAndOtherRevenue	8,126tyl_HardwareAndOtherRevenue	6,956tyl_HardwareAndOtherRevenue
Total revenues	493,101us-gaap_Revenues	416,643us-gaap_Revenues	363,304us-gaap_Revenues
Cost of revenues:
Software licenses and royalties	1,900us-gaap_LicenseCosts	2,377us-gaap_LicenseCosts	1,983us-gaap_LicenseCosts
Acquired software	1,858us-gaap_CostOfGoodsSoldAmortization	2,078us-gaap_CostOfGoodsSoldAmortization	1,888us-gaap_CostOfGoodsSoldAmortization
Software services, maintenance and subscriptions	236,363	199,617	171,584
Appraisal services	14,284tyl_AppraisalServices	13,809tyl_AppraisalServices	14,889tyl_AppraisalServices
Hardware and other	5,325tyl_HardwareAndOtherCosts	5,559tyl_HardwareAndOtherCosts	5,258tyl_HardwareAndOtherCosts
Total cost of revenues	259,730us-gaap_CostOfGoodsAndServicesSold	223,440us-gaap_CostOfGoodsAndServicesSold	195,602us-gaap_CostOfGoodsAndServicesSold
Gross profit	233,371us-gaap_GrossProfit	193,203us-gaap_GrossProfit	167,702us-gaap_GrossProfit
Selling, general and administrative expenses	108,260	98,289	86,706
Research and development expense	25,743	23,269	20,140
Amortization of customer and trade name intangibles	6,400us-gaap_AmortizationOfIntangibleAssets	6,800us-gaap_AmortizationOfIntangibleAssets	6,500us-gaap_AmortizationOfIntangibleAssets
Operating income	94,822us-gaap_OperatingIncomeLoss	67,128us-gaap_OperatingIncomeLoss	56,577us-gaap_OperatingIncomeLoss
Other expense, net	355	1,309	2,709
Income before income taxes	94,467	65,819	53,868
Income tax provision	35,527us-gaap_IncomeTaxExpenseBenefit	26,718us-gaap_IncomeTaxExpenseBenefit	20,874us-gaap_IncomeTaxExpenseBenefit
Net income	58,940us-gaap_NetIncomeLoss	39,101us-gaap_NetIncomeLoss	32,994us-gaap_NetIncomeLoss
Earnings per common share:
Basic	$ 1.79us-gaap_EarningsPerShareBasic	$ 1.23us-gaap_EarningsPerShareBasic	$ 1.09us-gaap_EarningsPerShareBasic
Diluted	$ 1.66us-gaap_EarningsPerShareDiluted	$ 1.13us-gaap_EarningsPerShareDiluted	$ 1.00us-gaap_EarningsPerShareDiluted
Unrealized gains on investment securities available-for-sale		341	134
Income tax benefit related to components of other comprehensive income		119us-gaap_OtherComprehensiveIncomeLossTax	47us-gaap_OtherComprehensiveIncomeLossTax
Other comprehensive income, net of tax		222	87
Comprehensive income	58,940us-gaap_ComprehensiveIncomeNetOfTax	39,323us-gaap_ComprehensiveIncomeNetOfTax	33,081us-gaap_ComprehensiveIncomeNetOfTax
Customer and trade name intangibles [Member]
Cost of revenues:
Amortization of customer and trade name intangibles	$ 4,546	$ 4,517	$ 4,279

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 4

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34747878&loc=d3e3636-108311

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Revenue from providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 605

-Section 25

-Paragraph 76

-URI http://asc.fasb.org/extlink&oid=22169047&loc=d3e132428-111767

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