CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenues:
Portal revenues	$ 65,914egov_PortalRevenues	$ 61,482egov_PortalRevenues
Software & services revenues	4,445egov_SoftwareAndServicesRevenues	3,915egov_SoftwareAndServicesRevenues
Total revenues	70,359us-gaap_Revenues	65,397us-gaap_Revenues
Operating expenses:
Cost of portal revenues, exclusive of depreciation & amortization (Note 1)	41,494	37,560
Cost of software & services revenues, exclusive of depreciation & amortization	1,290	993
Selling & administrative (Note 1)	10,538	9,208
Depreciation & amortization	2,292	2,250
Total operating expenses	55,614us-gaap_CostsAndExpenses	50,011us-gaap_CostsAndExpenses
Operating income (loss) before income taxes	14,745	15,386
Income tax provision	5,804us-gaap_IncomeTaxExpenseBenefit	6,010us-gaap_IncomeTaxExpenseBenefit
Net income	$ 8,941us-gaap_NetIncomeLoss	$ 9,376us-gaap_NetIncomeLoss
Basic net income per share (Note 1)	$ 0.14us-gaap_EarningsPerShareBasic	$ 0.14us-gaap_EarningsPerShareBasic
Diluted net income per share (Note 1)	$ 0.14us-gaap_EarningsPerShareDiluted	$ 0.14us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding:
Basic	65,387	65,057
Diluted	65,387	65,057

Costs incurred and directly related to generating portal revenues exclusive of depreciation and amortization.

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Costs incurred and directly related to generating software and service revenues exclusive of depreciation and amortization.

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Revenue from NIC subsidiaries operating state and local government portals on an outsourced basis (primarily transaction-based information access fees and filings), and revenue from service contracts to provide portal consulting, application development and management services to state and local governments.

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Revenue from NIC subsidiaries providing software development and services, other than outsourced portal services to state and local governments, as well as to federal agencies. The services may include transaction-based information access fees and filings. Revenues also includes time and materials application development and outsourced maintenance contracts, fixed-priced application development contracts, service fees and other services that are not elsewhere specified in the taxonomy.

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