Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001490281-18-000090-index-headers.html | 2018-08-03 08:36:02 | |
| 0001490281-18-000090-index.html | 2018-08-03 08:36:02 | |
| 0001490281-18-000090.txt | 2018-08-03 08:36:02 | |
 0001490281-18-000090-xbrl.zip | 348759 | 2018-08-03 08:36:02 |
| a2018q210-q.htm | 2653911 | 2018-08-03 08:36:02 |
 chart-057a9b27f6415433a5a.jpg | 10570 | 2018-08-03 08:36:02 |
 chart-07dc6e4a803159be8ac.jpg | 11583 | 2018-08-03 08:36:02 |
 chart-0867d91d21d8513e8cb.jpg | 11420 | 2018-08-03 08:36:02 |
 chart-1a7b2b65bd22ef184e5.jpg | 11567 | 2018-08-03 08:36:02 |
 chart-24561b0bd867a69e953.jpg | 10969 | 2018-08-03 08:36:02 |
 chart-2e888eb8d2dfb20c1ad.jpg | 11422 | 2018-08-03 08:36:02 |
 chart-37ed6ef36280e970c98.jpg | 11021 | 2018-08-03 08:36:02 |
 chart-45ca44de20d05f178d7.jpg | 11746 | 2018-08-03 08:36:02 |
 chart-628923b8a6caffdb5d0.jpg | 11274 | 2018-08-03 08:36:02 |
 chart-65fbfe627d7a5fe79ea.jpg | 10964 | 2018-08-03 08:36:02 |
 chart-84fbf8e6e22bfc1605d.jpg | 11135 | 2018-08-03 08:36:02 |
 chart-9adf588fdd9c509f896.jpg | 10266 | 2018-08-03 08:36:02 |
 chart-a3becff5b7625515a1d.jpg | 10969 | 2018-08-03 08:36:02 |
 chart-ae6063366979b1b472b.jpg | 11470 | 2018-08-03 08:36:02 |
 chart-b3ce7c0adafe0cac21b.jpg | 11115 | 2018-08-03 08:36:02 |
 chart-b6bd957d70917c8b8c5.jpg | 11289 | 2018-08-03 08:36:02 |
 chart-bfb297616f78267a40d.jpg | 11310 | 2018-08-03 08:36:02 |
 chart-d05373a3bad77467de4.jpg | 11256 | 2018-08-03 08:36:02 |
 chart-d44f634cc98759659cc.jpg | 11463 | 2018-08-03 08:36:02 |
 chart-d5c5dc37c1ac522aa83.jpg | 11307 | 2018-08-03 08:36:02 |
 chart-e7f23cd413a858cf95b.jpg | 11257 | 2018-08-03 08:36:02 |
 chart-e9aa234c389de38cf35.jpg | 10837 | 2018-08-03 08:36:02 |
 chart-e9b573369d9f5fc5b0f.jpg | 11049 | 2018-08-03 08:36:02 |
 chart-ea64d63ee7fe51f0abc.jpg | 11241 | 2018-08-03 08:36:02 |
| exhibit311-q2201810xq.htm | 8884 | 2018-08-03 08:36:02 |
| exhibit312-q2201810xq.htm | 8932 | 2018-08-03 08:36:02 |
| exhibit321-q2201810xq.htm | 6712 | 2018-08-03 08:36:02 |
| FilingSummary.xml | 52694 | 2018-08-03 08:36:02 |
| Financial_Report.xlsx | 129106 | 2018-08-03 08:36:02 |
| grpn-20180630.xml | 3297720 | 2018-08-03 08:36:02 |
| grpn-20180630.xsd | 67083 | 2018-08-03 08:36:02 |
| grpn-20180630_cal.xml | 107934 | 2018-08-03 08:36:02 |
| grpn-20180630_def.xml | 430578 | 2018-08-03 08:36:02 |
| grpn-20180630_lab.xml | 971237 | 2018-08-03 08:36:02 |
| grpn-20180630_pre.xml | 634017 | 2018-08-03 08:36:02 |
| R1.htm | 20404 | 2018-08-03 08:36:02 |
| R10.htm | 43427 | 2018-08-03 08:36:02 |
| R11.htm | 29841 | 2018-08-03 08:36:02 |
| R12.htm | 70459 | 2018-08-03 08:36:02 |
| R13.htm | 101944 | 2018-08-03 08:36:02 |
| R14.htm | 99483 | 2018-08-03 08:36:02 |
| R15.htm | 53561 | 2018-08-03 08:36:02 |
| R16.htm | 32886 | 2018-08-03 08:36:02 |
| R17.htm | 68416 | 2018-08-03 08:36:02 |
| R18.htm | 254540 | 2018-08-03 08:36:02 |
| R19.htm | 74773 | 2018-08-03 08:36:02 |
| R2.htm | 75399 | 2018-08-03 08:36:02 |
| R20.htm | 13492 | 2018-08-03 08:36:02 |
| R21.htm | 181861 | 2018-08-03 08:36:02 |
| R22.htm | 76444 | 2018-08-03 08:36:02 |
| R23.htm | 140014 | 2018-08-03 08:36:02 |
| R24.htm | 61967 | 2018-08-03 08:36:02 |
| R25.htm | 19973 | 2018-08-03 08:36:02 |
| R26.htm | 44887 | 2018-08-03 08:36:02 |
| R27.htm | 29269 | 2018-08-03 08:36:02 |
| R28.htm | 70703 | 2018-08-03 08:36:02 |
| R29.htm | 131037 | 2018-08-03 08:36:02 |
| R3.htm | 20039 | 2018-08-03 08:36:02 |
| R30.htm | 106564 | 2018-08-03 08:36:02 |
| R31.htm | 34631 | 2018-08-03 08:36:02 |
| R32.htm | 19424 | 2018-08-03 08:36:02 |
| R33.htm | 30017 | 2018-08-03 08:36:02 |
| R34.htm | 246193 | 2018-08-03 08:36:02 |
| R35.htm | 75635 | 2018-08-03 08:36:02 |
| R36.htm | 170687 | 2018-08-03 08:36:02 |
| R37.htm | 76252 | 2018-08-03 08:36:02 |
| R38.htm | 146939 | 2018-08-03 08:36:02 |
| R39.htm | 4277 | 2018-08-03 08:36:02 |
| R4.htm | 76708 | 2018-08-03 08:36:02 |
| R40.htm | 16566 | 2018-08-03 08:36:02 |
| R41.htm | 15182 | 2018-08-03 08:36:02 |
| R42.htm | 75621 | 2018-08-03 08:36:02 |
| R43.htm | 35309 | 2018-08-03 08:36:02 |
| R44.htm | 14688 | 2018-08-03 08:36:02 |
| R45.htm | 40344 | 2018-08-03 08:36:02 |
| R46.htm | 16569 | 2018-08-03 08:36:02 |
| R47.htm | 25344 | 2018-08-03 08:36:02 |
| R48.htm | 11768 | 2018-08-03 08:36:02 |
| R49.htm | 16841 | 2018-08-03 08:36:02 |
| R5.htm | 54011 | 2018-08-03 08:36:02 |
| R50.htm | 56501 | 2018-08-03 08:36:02 |
| R51.htm | 18222 | 2018-08-03 08:36:02 |
| R52.htm | 18474 | 2018-08-03 08:36:02 |
| R53.htm | 20423 | 2018-08-03 08:36:02 |
| R54.htm | 17273 | 2018-08-03 08:36:02 |
| R55.htm | 8314 | 2018-08-03 08:36:02 |
| R56.htm | 24572 | 2018-08-03 08:36:02 |
| R57.htm | 18089 | 2018-08-03 08:36:02 |
| R58.htm | 30206 | 2018-08-03 08:36:02 |
| R59.htm | 12984 | 2018-08-03 08:36:02 |
| R6.htm | 65425 | 2018-08-03 08:36:02 |
| R60.htm | 9580 | 2018-08-03 08:36:02 |
| R61.htm | 42306 | 2018-08-03 08:36:02 |
| R62.htm | 15213 | 2018-08-03 08:36:02 |
| R63.htm | 29758 | 2018-08-03 08:36:02 |
| R64.htm | 37994 | 2018-08-03 08:36:02 |
| R65.htm | 14773 | 2018-08-03 08:36:02 |
| R66.htm | 152344 | 2018-08-03 08:36:02 |
| R67.htm | 7506 | 2018-08-03 08:36:02 |
| R68.htm | 213796 | 2018-08-03 08:36:02 |
| R69.htm | 12732 | 2018-08-03 08:36:02 |
| R7.htm | 116778 | 2018-08-03 08:36:02 |
| R70.htm | 35961 | 2018-08-03 08:36:02 |
| R71.htm | 18194 | 2018-08-03 08:36:02 |
| R72.htm | 17565 | 2018-08-03 08:36:02 |
| R73.htm | 12659 | 2018-08-03 08:36:02 |
| R74.htm | 44126 | 2018-08-03 08:36:02 |
| R75.htm | 58247 | 2018-08-03 08:36:02 |
| R76.htm | 7460 | 2018-08-03 08:36:02 |
| R77.htm | 28848 | 2018-08-03 08:36:02 |
| R78.htm | 19539 | 2018-08-03 08:36:02 |
| R79.htm | 44323 | 2018-08-03 08:36:02 |
| R8.htm | 13248 | 2018-08-03 08:36:02 |
| R80.htm | 24349 | 2018-08-03 08:36:02 |
| R81.htm | 24044 | 2018-08-03 08:36:02 |
| R82.htm | 14412 | 2018-08-03 08:36:02 |
| R9.htm | 43701 | 2018-08-03 08:36:02 |
| report.css | 2768 | 2018-08-03 08:36:02 |
| Show.js | 1411 | 2018-08-03 08:36:02 |