AFS Debt Security, Ownership Percentage

No definition available.

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- Definition

Cost Method Ownership Percentage - The Company's aggregate percent ownership of cost method investment.

+ References

No definition available.

+ Details

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- Definition

Investments, cost and equity method

+ References

No definition available.

+ Details

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- Definition

Payments to Acquire Cost Method Investment

+ References

No definition available.

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- Details

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 5

-Subparagraph (aa)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562

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Balance Type:	debit
Period Type:	instant

- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 50

-Paragraph 1

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=29638308&loc=d3e40346-111594

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

+ Details

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Period Type:	instant

- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(h))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph h

-Article 7

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

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Investments Investments Table (Details) (USD $)	12 Months Ended
Investments Investments Table (Details) (USD $)	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Sep. 30, 2013
Schedule of Cost and Equity Method Investments [Line Items]
Cost method investments	$ 15,630,000us-gaap_CostMethodInvestments		$ 15,788,000us-gaap_CostMethodInvestments			$ 128,100,000us-gaap_CostMethodInvestments
Equity method investments	1,231,000us-gaap_EquityMethodInvestments		1,690,000us-gaap_EquityMethodInvestments		495,000us-gaap_EquityMethodInvestments
Total cost and equity method investments	16,861,000grpn_InvestmentsCostAndEquityMethod		17,478,000grpn_InvestmentsCostAndEquityMethod
Available-for-sale securities	7,437,000us-gaap_AvailableForSaleSecurities		3,174,000us-gaap_AvailableForSaleSecurities
Available-for-Sale Securities, Ownership Percentage			19.00%grpn_AFSDebtSecurityOwnershipPercentage
Total investments	24,298,000us-gaap_Investments		20,652,000us-gaap_Investments
Payments to Acquire Available-for-sale Securities	4,599,000
Payments to Acquire Cost Method Investment		2,100,000.0		13,600,000		25,000,000
Convertible debt securities [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-sale securities	2,527,000		3,174,000
Convertible debt securities [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-sale securities			3,174,000
Redeemable preferred shares [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-sale securities	4,910,000		0
Maximum [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Equity Method Investments, Ownership Percentage	50.00%		50.00%
Available-for-Sale Securities, Ownership Percentage	19.00%
Maximum [Member] \| Cost-method Investments [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Cost Method Investments, Ownership Percentage	19.00%		19.00%
Minimum [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Equity Method Investments, Ownership Percentage	21.00%		21.00%
Available-for-Sale Securities, Ownership Percentage	17.00%
Minimum [Member] \| Cost-method Investments [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Cost Method Investments, Ownership Percentage	6.00%		6.00%
F-Tuan [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Cost method investments						128,100,000
Cost Method Investments, Ownership Percentage			19.10%			19.10%
Payments to Acquire Cost Method Investment						$ 25,000,000	$ 8,000,000