Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Investment Banking:
Other Revenue, Including Interest and Investments	$ 15,331	$ 13,640	$ 568	$ 25,975
Total Revenues	512,404	535,209	945,451	954,628
Interest Expense	5,329	4,163	11,369	8,255
Net Revenues	507,075	531,046	934,082	946,373
Expenses
Employee Compensation and Benefits	334,046	314,323	604,788	561,955
Occupancy and Equipment Rental	17,365	18,062	36,275	34,279
Professional Fees	18,875	20,511	35,841	39,335
Travel and Related Expenses	3,756	19,397	19,907	37,061
Communications and Information Services	14,269	11,481	26,836	22,627
Depreciation and Amortization	6,975	7,666	13,846	14,704
Execution, Clearing and Custody Fees	3,204	3,199	7,390	6,218
Special Charges, Including Business Realignment Costs	8,558	1,029	32,234	2,058
Acquisition and Transition Costs	98	0	106	108
Other Operating Expenses	13,200	8,544	20,827	17,384
Total Expenses	420,346	404,212	798,050	735,729
Income Before Income from Equity Method Investments and Income Taxes	86,729	126,834	136,032	210,644
Income from Equity Method Investments	2,313	2,453	5,441	4,664
Income Before Income Taxes	89,042	129,287	141,473	215,308
Provision for Income Taxes	21,814	32,030	35,365	39,851
Net Income	67,228	97,257	106,108	175,457
Net Income Attributable to Noncontrolling Interest	10,816	15,515	18,521	26,483
Net Income Attributable to Evercore Inc.	56,412	81,742	87,587	148,974
Net Income Attributable to Evercore Inc. Common Shareholders	$ 56,412	$ 81,742	$ 87,587	$ 148,974
Weighted Average Shares of Class A Common Stock Outstanding
Basic (in shares)	40,635	40,546	40,313	40,522
Diluted (in shares)	41,894	43,376	42,105	43,766
Net Income Per Share Attributable to Evercore Inc. Common Shareholders:
Basic (in dollars per share)	$ 1.39	$ 2.02	$ 2.17	$ 3.68
Diluted (in dollars per share)	$ 1.35	$ 1.88	$ 2.08	$ 3.40
Investment Banking [Member]
Investment Banking:
Revenue from Contract with Customer	$ 484,120	$ 509,150	$ 919,183	$ 903,851
Net Revenues	495,374	516,386	909,030	917,574
Expenses
Special Charges, Including Business Realignment Costs	8,558	1,029	32,202	2,058
Acquisition and Transition Costs	98	0	106	0
Income Before Income from Equity Method Investments and Income Taxes	86,735	124,099	135,370	206,119
Income from Equity Method Investments	65	219	601	474
Income Before Income Taxes	86,800	124,318	135,971	206,593
Investment Banking [Member] | Advisory Fees [Member]
Investment Banking:
Revenue from Contract with Customer	336,436	443,580	695,000	769,424
Investment Banking [Member] | Underwriting Fees [Member]
Investment Banking:
Revenue from Contract with Customer	93,565	16,910	114,683	43,830
Investment Banking [Member] | Commissions and Related Fees [Member]
Investment Banking:
Revenue from Contract with Customer	54,119	48,660	109,500	90,597
Investment Management [Member]
Investment Banking:
Revenue from Contract with Customer	12,953	12,419	25,700	24,802
Net Revenues	11,701	14,660	25,052	28,799
Expenses
Special Charges, Including Business Realignment Costs	0	0	32	0
Acquisition and Transition Costs	0	0	0	108
Income Before Income from Equity Method Investments and Income Taxes	(6)	2,735	662	4,525
Income from Equity Method Investments	2,248	2,234	4,840	4,190
Income Before Income Taxes	2,242	4,969	5,502	8,715
Investment Management [Member] | Asset Management [Member]
Investment Banking:
Revenue from Contract with Customer	$ 12,953	$ 12,419	$ 25,700	$ 24,802