{"cik":1313310,"taxonomy":"us-gaap","tag":"Revenues","label":"Revenues","description":"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).","entityName":"GRAVITY CO., LTD.","units":{"KRW":[{"start":"2009-01-01","end":"2009-12-31","val":57403000000,"accn":"0001193125-12-248547","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-05-25","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":52362000000,"accn":"0001193125-12-248547","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-05-25"},{"start":"2010-01-01","end":"2010-12-31","val":52362000000,"accn":"0001193125-13-212380","fy":2012,"fp":"FY","form":"20-F/A","filed":"2013-05-10","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":57477000000,"accn":"0001193125-12-248547","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-05-25"},{"start":"2011-01-01","end":"2011-12-31","val":57477000000,"accn":"0001193125-13-212380","fy":2012,"fp":"FY","form":"20-F/A","filed":"2013-05-10"},{"start":"2011-01-01","end":"2011-12-31","val":57477000000,"accn":"0001047469-14-004408","fy":2013,"fp":"FY","form":"20-F","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":57781000000,"accn":"0001193125-13-212380","fy":2012,"fp":"FY","form":"20-F/A","filed":"2013-05-10"},{"start":"2012-01-01","end":"2012-12-31","val":57781000000,"accn":"0001047469-14-004408","fy":2013,"fp":"FY","form":"20-F","filed":"2014-04-30"},{"start":"2012-01-01","end":"2012-12-31","val":57781000000,"accn":"0001047469-15-003935","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":47685000000,"accn":"0001047469-14-004408","fy":2013,"fp":"FY","form":"20-F","filed":"2014-04-30"},{"start":"2013-01-01","end":"2013-12-31","val":47685000000,"accn":"0001047469-15-003935","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-27"},{"start":"2013-01-01","end":"2013-12-31","val":47685000000,"accn":"0001193125-16-547162","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-20","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":39889000000,"accn":"0001047469-15-003935","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-27"},{"start":"2014-01-01","end":"2014-12-31","val":39889000000,"accn":"0001193125-16-547162","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-20"},{"start":"2014-01-01","end":"2014-12-31","val":39889000000,"accn":"0001193125-17-145523","fy":2016,"fp":"FY","form":"20-F","filed":"2017-04-28","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":35660000000,"accn":"0001193125-16-547162","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-20"},{"start":"2015-01-01","end":"2015-12-31","val":35660000000,"accn":"0001193125-17-145523","fy":2016,"fp":"FY","form":"20-F","filed":"2017-04-28","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":51396000000,"accn":"0001193125-17-145523","fy":2016,"fp":"FY","form":"20-F","filed":"2017-04-28","frame":"CY2016"}],"USD":[{"start":"2011-01-01","end":"2011-12-31","val":49613000,"accn":"0001193125-12-248547","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-05-25","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":54343000,"accn":"0001193125-13-212380","fy":2012,"fp":"FY","form":"20-F/A","filed":"2013-05-10","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":45188000,"accn":"0001047469-14-004408","fy":2013,"fp":"FY","form":"20-F","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":36566000,"accn":"0001047469-15-003935","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-27","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":30497000,"accn":"0001193125-16-547162","fy":2015,"fp":"FY","form":"20-F","filed":"2016-04-20","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":42698000,"accn":"0001193125-17-145523","fy":2016,"fp":"FY","form":"20-F","filed":"2017-04-28","frame":"CY2016"}]}}