Change in Current Taxes Payable

No definition available.

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- Definition

Tax Loss Carryforwards, Minimum Period Carried Forward

+ References

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

+ References

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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- Definition

Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

+ References

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings.

+ References

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
Income Taxes - Additional Information (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclsoure [Line Items]
Foreign loss carryforwards	$ 14,700,000
Deferred tax assets, compensation deductible	600,000ghl_ChangeinCurrentTaxesPayable
Valuation Allowance, Amount	2,932,000	4,938,000
Foreign tax credit carryforwards	351,000	4,252,000
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	1,800,000
Income Taxes Receivable	3,800,000us-gaap_IncomeTaxReceivable	1,500,000us-gaap_IncomeTaxReceivable
Current income taxes payable	10,007,000us-gaap_TaxesPayableCurrent	15,345,000us-gaap_TaxesPayableCurrent
U.S. statutory tax rate	35.00%	35.00%	35.00%
Greenhill & Co., Europe Holdings, Limited
Income Tax Disclsoure [Line Items]
Valuation Allowance, Amount	2,600,000	2,800,000
Foreign loss carryforward, 7-8 years
Income Tax Disclsoure [Line Items]
Foreign loss carryforwards	1,500,000
Foreign loss carryforward, 16 years or longer [Member] [Domain]
Income Tax Disclsoure [Line Items]
Foreign loss carryforwards	$ 13,200,000
Foreign loss carryforward, 17 years or longer
Income Tax Disclsoure [Line Items]
Minimum period carried forward	16 years