{"cik":1434588,"taxonomy":"us-gaap","tag":"LongTermDebt","label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"GRAND CANYON EDUCATION, INC.","units":{"USD":[{"end":"2011-12-31","val":21640000,"accn":"0001193125-12-070566","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-21","frame":"CY2011Q4I"},{"end":"2012-12-31","val":99701000,"accn":"0001193125-13-065203","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":93100000,"accn":"0001193125-14-060686","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2019-12-31","val":140918000,"accn":"0001558370-20-001013","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-20","frame":"CY2019Q4I"},{"end":"2020-12-31","val":107774000,"accn":"0001558370-21-001135","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-17","frame":"CY2020Q4I"}]}}