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Discontinued Operations and Other Dispositions (Details) - USD ($) $ in Thousands, number in Millions |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 21, 2017 | Mar. 10, 2017 | Mar. 03, 2017 | Aug. 06, 2016 | May 09, 2016 | Apr. 12, 2016 | Mar. 09, 2017 | Feb. 14, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Feb. 16, 2017 | Dec. 31, 2016 | Aug. 05, 2016
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third party and other revenue |  |  |  |  |  |  |  |  | $ 302,458 |  | $ 283,809 | $ 919,884 |  | $ 888,014 |  |  |
Direct revenue |  |  |  |  |  |  |  |  | 332,008 |  | 402,746 | 1,050,827 |  | 1,220,736 |  |  |
Third party and other cost of revenue |  |  |  |  |  |  |  |  | (41,858) |  | (34,837) | (123,209) |  | (114,006) |  |  |
Direct cost of revenue |  |  |  |  |  |  |  |  | (283,183) |  | (358,450) | (900,559) |  | (1,065,997) |  |  |
Marketing expense |  |  |  |  |  |  |  |  | (101,456) |  | (84,748) | (288,456) |  | (261,223) |  |  |
Selling, general and administrative expense |  |  |  |  |  |  |  |  | (214,828) |  | (234,266) | (677,061) |  | (755,981) |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  | (11,503) |  | (1,163) | (18,818) |  | (28,378) |  |  |
Other income, net |  |  |  |  |  |  |  |  | 7,546 |  | (7,917) | 8,822 |  | (16,552) |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax |  |  |  |  |  |  |  |  |  |  |  |  |  | 200 |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  | 0 |  | 2,060 | 0 |  | 11,399 |  |  |
Accounts receivable, net |  |  |  |  |  |  |  |  | 78,284 |  |  | 78,284 |  |  |  | $ 71,272 |
Prepaid Expense and Other Assets, Current |  |  |  |  |  |  |  |  | 99,855 |  |  | 99,855 |  |  |  | 94,441 |
Property, equipment and software, net |  |  |  |  |  |  |  |  | 150,023 |  |  | 150,023 |  |  |  | 169,452 |
Goodwill |  |  |  |  |  |  |  |  | 285,436 |  |  | 285,436 |  |  |  | 274,551 |
Assets, Noncurrent |  |  |  |  |  |  |  |  | 17,302 |  |  | 17,302 |  |  |  | 23,484 |
Accrued merchant and supplier payable |  |  |  |  |  |  |  |  | 598,251 |  |  | 598,251 |  |  |  | 770,992 |
Accrued Liabilities, Current |  |  |  |  |  |  |  |  | 324,553 |  |  | 324,553 |  |  |  | 366,456 |
Deferred Tax Liabilities, Net, Noncurrent |  |  |  |  |  |  |  |  | 1,927 |  |  | 1,927 |  |  |  | 1,714 |
Other Liabilities, Noncurrent |  |  |  |  |  |  |  |  | 37,329 |  |  | 37,329 |  |  |  | 38,298 |
Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28,866 |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third party and other revenue |  |  |  |  |  |  |  |  | 0 |  | 26,027 | 12,602 |  | 74,519 |  |  |
Direct revenue |  |  |  |  |  |  |  |  | 0 |  | 7,886 | 2,962 |  | 25,200 |  |  |
Third party and other cost of revenue |  |  |  |  |  |  |  |  | 0 |  | (5,582) | (2,557) |  | (16,994) |  |  |
Direct cost of revenue |  |  |  |  |  |  |  |  | 0 |  | (7,482) | (3,098) |  | (24,439) |  |  |
Marketing expense |  |  |  |  |  |  |  |  | 0 |  | (3,110) | (1,239) |  | (8,393) |  |  |
Selling, general and administrative expense |  |  |  |  |  |  |  |  | (500) | [1] | (19,288) | (11,784) | [1] | (55,729) |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  | 0 |  | (296) | (778) |  | (1,610) |  |  |
Other income, net |  |  |  |  |  |  |  |  | 0 |  | 889 | 3,852 |  | 2,249 |  |  |
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax |  |  |  |  |  |  |  |  | (500) |  | (956) | (40) |  | (5,197) |  |  |
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax |  |  |  |  |  |  |  |  | (362) |  | 0 | (1,630) |  | 0 |  |  |
Discontinued Operation, Tax Effect of Discontinued Operation |  |  |  |  |  |  |  |  | 0 | [2] | (389) | (81) | [2] | (1,168) |  |  |
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent |  |  |  |  |  |  |  |  | (862) | [2] | (1,345) | (1,751) | [2] | (6,365) |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax |  |  |  |  |  |  |  |  | 0 |  | $ 0 | 14,718 |  | 0 |  |  |
Accounts receivable, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,386 |
Prepaid Expense and Other Assets, Current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,994 |
Property, equipment and software, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,554 |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,411 |
Assets, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,041 |
Disposal Group, Including Discontinued Operation, Assets |  |  |  |  |  |  |  |  | $ 0 |  |  | 0 |  |  |  | 75,252 |
Accounts Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 722 |
Accrued merchant and supplier payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,705 |
Accrued Liabilities, Current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,625 |
Deferred Tax Liabilities, Net, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,501 |
Other Liabilities, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 426 |
Disposal Group, Including Discontinued Operation, Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49,979 |
Groupon Israel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Disposition, Controlling Stake Sold, Percentage | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Acquisition, Investments Acquired | $ 400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses, Net of Cash Divested |  |  |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  |  |
Professional Fees | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value | 700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax | $ 200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  |  |  |  | 1,800 |  |  |  |  |
Noncash or Part Noncash Divestiture, Amount of Consideration Received |  |  |  |  |  |  |  |  |  |  |  | 2,300 |  |  |  |  |
Groupon Singapore [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Acquisition, Investments Acquired |  | $ 1,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Professional Fees |  | 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  | 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax |  | $ 1,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  |  |  |  | 500 |  |  |  |  |
Noncash or Part Noncash Divestiture, Amount of Consideration Received |  |  |  |  |  |  |  |  |  |  |  | 1,100 |  |  |  |  |
Groupon Hong Kong [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses, Net of Cash Divested |  |  |  |  |  |  |  |  |  |  |  | 200 |  |  |  |  |
Professional Fees |  |  | $ 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  | $ 200 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  |  |  |  | 300 |  |  |  |  |
Noncash or Part Noncash Divestiture, Amount of Consideration Received |  |  |  |  |  |  |  |  |  |  |  | 100 |  |  |  |  |
Groupon Latin America [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses, Net of Cash Divested |  |  |  |  |  |  |  |  |  |  |  | 3,200 |  |  |  |  |
Professional Fees |  |  |  |  |  |  | $ 700 |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,600 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax |  |  |  |  |  |  | 15,700 |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  |  |  |  | 2,900 |  |  |  |  |
Unfavorable Contract Liability |  |  |  |  |  |  | 2,100 |  |  |  |  |  |  |  |  |  |
Indemnification Liability |  |  |  |  |  |  | $ 5,400 |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Divestiture, Amount of Consideration Received |  |  |  |  |  |  |  |  |  |  |  | $ 2,500 |  |  |  |  |
Groupon Russia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Professional Fees |  |  |  |  |  | $ 400 |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  | 1,600 |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,700 |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  |  | $ 8,900 |  |  |  |  |  |  |  |  |  |  |
Breadcrumb [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Acquisition, Investments Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,300 |  |  |
Professional Fees |  |  |  |  | $ 100 |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  | 7,800 |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  | $ 400 |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Divestiture, Amount of Consideration Received |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,200 |  |  |
Groupon Indonesia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Acquisition, Investments Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,700 |  |  |
Professional Fees |  |  |  | $ 300 |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax |  |  |  |  |  |  |  |  |  |  |  |  |  | 200 |  |  |
Gain (Loss) on Disposition of Business |  |  |  | $ 2,100 |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Divestiture, Amount of Consideration Received |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400 |  |  |
Capital Unit, Class B [Member] | Monster LP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair-Value Option Investment, Recapitalization Transaction, Shares Exchanged |  |  |  |  |  |  |  | 61,484,539 |  |  |  |  |  |  |  |  |
[1] | (2)Selling, general and administrative expense from discontinued operations for the three and nine months ended September 30, 2017 includes increases to contingent liabilities under indemnification agreements. See Note 7, Commitments and Contingencies, for information about indemnification obligations related to discontinued operations.
[2] | The income (loss) from discontinued operations before loss on dispositions and provision for income taxes for the three and nine months ended September 30, 2017 includes the results of each business through its respective disposition date.

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