Acquisition and Transition Costs and Special Charges	12 Months Ended
Dec. 31, 2017
Business Combinations [Abstract]
Acquisition and Transition Costs and Special Charges	Acquisition and Transition Costs and Special Charges Acquisition and Transition Costs The Company recognized $1,673, $99 and $4,890 for the years ended December 31, 2017, 2016 and 2015, respectively, as Acquisition and Transition Costs incurred in connection with acquisitions, divestitures and other ongoing business development initiatives. These costs are primarily comprised of professional fees for legal and other services. In addition, acquisition and transition costs in 2016 included the reversal of $733 of a provision for certain settlements previously established in the fourth quarter of 2015 and acquisition and transition costs in 2015 included costs related to transitioning ISI's infrastructure. Special Charges The Company recognized $25,437 for the year ended December 31, 2017, as Special Charges related to an impairment charge of $7,107 associated with the impairment of goodwill in the Company's Institutional Asset Management reporting unit, an impairment charge of $14,400 associated with the impairment of the Company's investment in G5 and expenses of $3,930 associated with the transition of certain employees in conjunction with the sale of the Institutional Trust and Independent Fiduciary business of ETC. See Notes 4 and 9 for further information. The Company recognized $8,100 for the year ended December 31, 2016, as Special Charges incurred related to an impairment charge associated with the Company's investment in Atalanta Sosnoff. See Note 4 for further information. The Company recognized $41,144 for the year ended December 31, 2015, as Special Charges incurred related to an impairment charge of $28,500 associated with the impairment of goodwill in the Company's Institutional Asset Management reporting unit and charges of $7,145 related to the restructuring of the Company's investment in Atalanta Sosnoff, primarily related to the conversion of certain of Atalanta Sosnoff's profits interests held by management to equity interests. Special Charges in 2015 also included a charge of $2,151 for separation benefits and costs associated with the termination of certain contracts within the Company's Evercore ISI business as well as $3,348 for the finalization of a matter associated with the wind-down of the Company's U.S. Private Equity business.

Acquisition and Transition Costs and Special Charges

Acquisition and Transition Costs

The Company recognized $1,673, $99 and $4,890 for the years ended December 31, 2017, 2016 and 2015, respectively, as Acquisition and Transition Costs incurred in connection with acquisitions, divestitures and other ongoing business development initiatives. These costs are primarily comprised of professional fees for legal and other services. In addition, acquisition and transition costs in 2016 included the reversal of $733 of a provision for certain settlements previously established in the fourth quarter of 2015 and acquisition and transition costs in 2015 included costs related to transitioning ISI's infrastructure.

Special Charges

The Company recognized $25,437 for the year ended December 31, 2017, as Special Charges related to an impairment charge of $7,107 associated with the impairment of goodwill in the Company's Institutional Asset Management reporting unit, an impairment charge of $14,400 associated with the impairment of the Company's investment in G5 and expenses of $3,930 associated with the transition of certain employees in conjunction with the sale of the Institutional Trust and Independent Fiduciary business of ETC. See Notes 4 and 9 for further information.

The Company recognized $8,100 for the year ended December 31, 2016, as Special Charges incurred related to an impairment charge associated with the Company's investment in Atalanta Sosnoff. See Note 4 for further information.

The Company recognized $41,144 for the year ended December 31, 2015, as Special Charges incurred related to an impairment charge of $28,500 associated with the impairment of goodwill in the Company's Institutional Asset Management reporting unit and charges of $7,145 related to the restructuring of the Company's investment in Atalanta Sosnoff, primarily related to the conversion of certain of Atalanta Sosnoff's profits interests held by management to equity interests. Special Charges in 2015 also included a charge of $2,151 for separation benefits and costs associated with the termination of certain contracts within the Company's Evercore ISI business as well as $3,348 for the finalization of a matter associated with the wind-down of the Company's U.S. Private Equity business.