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v3.3.1.900

Business Changes and Developments Business Changes and Developments (Details) € in Thousands, shares in Thousands, $ in Thousands |  |  |  | 3 Months Ended | 12 Months Ended |  |
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Dec. 31, 2015 USD ($) | Jul. 02, 2015 EUR (€) | Jul. 02, 2015 USD ($) | Oct. 31, 2014 USD ($) shares | Sep. 30, 2014 USD ($) shares | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Nov. 30, 2015 | Aug. 31, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  |  |  |  |  |  |  | 15.00% |
Finite-Lived Intangible Assets, Gross | $ 62,764 |  |  |  |  | $ 62,764 | $ 103,279 |  |  |
Intangible Assets, accumulated amortization | 21,754 |  |  |  |  | 21,754 | 33,735 |  |  |
Value of Assets Deconsolidated |  |  |  |  |  | 4,726 |  |  |  |
Value of Liabilities Deconsolidated |  |  |  |  |  | 2,074 | 0 | $ 0 |  |
Goodwill, Acquired During Period |  |  |  |  |  | 5,476 | 33,039 |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 17,458 | 8,007 | 7,994 |  |
Subordinated Borrowings | 22,550 |  |  | $ 22,550 |  | 22,550 | 22,550 |  |  |
Other Long-term Liabilities | 36,070 |  |  |  |  | 36,070 | 26,200 |  |  |
Purchase of Noncontrolling Interest |  |  |  |  |  | 0 | 7,100 | 0 |  |
Goodwill | 194,961 |  |  |  |  | 194,961 |  |  |  |
Impairment of Goodwill |  |  |  |  |  | 28,500 | 0 | 0 |  |
Goodwill, Impairment Loss, Net of Tax |  |  |  |  |  | 9,785 |  |  |  |
Asset Impairment Charges |  |  |  |  |  |  |  | 2,888 |  |
Special Charges |  |  |  |  |  | 41,144 | 4,893 | 170 |  |
Other Acquisitions [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  | 100.00% |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  | $ 6,900 |  |  |  |  |
Business Acquisitions Contingent Consideration Potential Cash Payment | 6,765 |  |  |  |  | 6,765 |  |  |  |
Goodwill, Acquired During Period |  |  |  |  | $ 3,401 |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  |  | 72 |  |  |  |  |
Kuna & Co [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  | $ 8,400 |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | € 3,000 | 3,335 |  |  |  |  |  |  |
Business Acquisitions Contingent Consideration Potential Cash Payment | $ 2,221 |  |  |  |  | 2,221 |  |  |  |
Goodwill, Acquired During Period |  |  | 5,476 |  |  |  |  |  |  |
Contingent Cash Consideration Payable Each Year [Member] | Kuna & Co [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | € |  | 500 |  |  |  |  |  |  |  |
Contingent Cash Consideration [Member] | Kuna & Co [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | € 2,000 | $ 2,223 |  |  |  |  |  |  |
Investment Banking [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Special Charges |  |  |  |  |  | 2,151 | 4,893 | 0 |  |
Investment Banking [Member] | Other Acquisitions [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  | 2 years |  |  |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 1,983 | 877 |  |  |
Investment Banking [Member] | Kuna & Co [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 1 year | 1 year |  |  |  |  |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 2,211 |  |  |  |
Investment Management [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Special Charges |  |  |  |  |  | 38,993 | 0 | 170 |  |
Investment Management [Member] | Special Charges [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Impairment of Goodwill |  |  |  |  |  | $ 28,500 |  |  |  |
Client Related Intangible Assets [Member] | Investment Banking [Member] | Other Acquisitions [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  | $ 1,050 |  |  |  |  |
Advisory Backlog [Member] | Investment Banking [Member] | Other Acquisitions [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  | $ 2,450 |  |  |  |  |
Advisory Backlog [Member] | Investment Banking [Member] | Kuna & Co [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | $ 2,900 |  |  |  |  |  |  |
Atalanta Sosnoff [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Company Seats on Management Committee | 1 |  |  |  |  | 3 |  |  |  |
Total Seats on Management Committee | 3 |  |  |  |  | 5 |  |  |  |
Finite-Lived Intangible Assets, Gross | $ 43,280 |  |  |  |  | $ 43,280 |  |  |  |
Intangible Assets, accumulated amortization | $ 29,356 |  |  |  |  | $ 29,356 |  |  |  |
Equity method investment (as a percent) | 49.00% |  |  |  |  | 49.00% |  |  |  |
Equity Method Investment, Equity Interest | 56.30% |  |  |  |  | 56.30% |  |  |  |
Goodwill, Period Increase (Decrease) |  |  |  |  |  | $ (27,274) |  |  |  |
Finite-Lived Intangible Assets, Period Increase (Decrease) |  |  |  |  |  | (13,924) |  |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  |  |  |  |  | (16,090) |  |  |  |
Temporary Equity, Other Changes |  |  |  |  |  | (2,683) |  |  |  |
Atalanta Sosnoff [Member] | Special Charges [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Conversion of Profits Interests Charge |  |  |  |  |  | 6,333 |  |  |  |
Deconsolidation, Gain (Loss), Amount |  |  |  |  |  | (812) |  |  |  |
Institutional Equities [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase of Noncontrolling Interest |  |  |  | 11,086 |  |  |  |  |  |
Evercore ISI [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | 90,234 |  |  |  |  |  |
Goodwill, Acquired During Period |  |  |  | 29,638 |  |  |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  | 62,614 |  |  |  |  |  |
Other Long-term Liabilities |  |  |  | 5,070 |  |  |  |  |  |
Evercore ISI [Member] | Investment Banking [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  | 47,320 |  |  |  |  |  |
Amortization of Intangible Assets |  |  |  |  |  | 9,428 | $ 1,571 |  |  |
Evercore ISI [Member] | Favorable Lease [Member] | Investment Banking [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  | $ 5,320 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  | 7 years |  |  |  |  |  |
Evercore ISI [Member] | Trade Names [Member] | Investment Banking [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  | $ 2,000 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  | 3 years |  |  |  |  |  |
Evercore ISI [Member] | Client Related Intangible Assets [Member] | Investment Banking [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  | $ 40,000 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  | 5 years |  |  |  |  |  |
Class H Interests [Member] | Evercore ISI [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 4,095 |  |  |  |  |  |
Class G Interests [Member] | Evercore ISI [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 1,078 |  |  |  |  |  |
Unvested LP Units [Member] | Class E LP Units [Member] | Institutional Equities [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 17 |  |  |  |  |  |
Unvested LP Units [Member] | Class E LP Units [Member] | Evercore ISI [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 710 |  |  |  |  |  |
Vested LP Units [Member] | Class H Interests [Member] | Institutional Equities [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 217 |  |  |  |  |  |
Vested LP Units [Member] | Class G Interests [Member] | Institutional Equities [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 57 |  |  |  |  |  |
Vested LP Units [Member] | Class E LP Units [Member] | Institutional Equities [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 199 |  |  |  |  |  |
Compensation Expense [Member] | Vested LP Units [Member] | Class E LP Units [Member] | Evercore ISI [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 710 |  |  |  |  |  |
Purchase Price Allocation [Member] | Vested LP Units [Member] | Class E LP Units [Member] | Evercore ISI [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Grant Of LP Units (in units) | shares |  |  |  | 947 |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Pan [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Impairment of Goodwill |  |  |  |  |  |  |  | $ 2,718 |  |
Institutional Asset Management [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  | $ 94,700
Discount Rate, Goodwill Impairment |  |  |  |  |  |  |  |  |  | 15.00%
Compound Annual Growth Rate, Revenue |  |  |  |  |  |  |  |  |  | 9.00%
Institutional Asset Management [Member] | Special Charges [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Impairment of Goodwill |  |  |  |  |  | $ 28,500 |  |  |  |
Noncontrolling Interest [Member] | Institutional Asset Management [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  | $ 27,271
LP Units [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Limited Partnership Units Convertible Conversion Ratio |  |  |  |  |  | 1 |  |  |  |

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