Quarterly report pursuant to Section 13 or 15(d)


COVER PAGE - shares
9 Months Ended
Sep. 30, 2019
Oct. 23, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 000-26621  
Entity Registrant Name NIC INC  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 52-2077581  
Entity Address, Address Line One 25501 West Valley Parkway  
Entity Address, Address Line Two Suite 300  
Entity Address, City or Town Olathe  
Entity Address, State or Province KS  
Entity Address, Postal Zip Code 66061  
City Area Code 877  
Local Phone Number 234-3468  
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol EGOV  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   66,964,590
Entity Central Index Key 0001065332  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Amendment Flag false