Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Investment Banking:
Other Revenue, Including Interest and Investments	$ 16,401	$ 15,116	$ 23,631	$ 168
Total Revenues	692,171	512,404	1,359,051	945,451
Interest Expense	4,306	5,329	8,876	11,369
Net Revenues	687,865	507,075	1,350,175	934,082
Expenses
Employee Compensation and Benefits	407,798	334,046	803,188	604,788
Occupancy and Equipment Rental	17,513	17,365	36,222	36,275
Professional Fees	21,401	18,875	43,008	35,841
Travel and Related Expenses	3,715	3,756	6,007	19,907
Communications and Information Services	14,080	14,269	28,109	26,836
Depreciation and Amortization	7,151	6,975	13,792	13,846
Execution, Clearing and Custody Fees	2,913	3,204	6,465	7,390
Special Charges, Including Business Realignment Costs	0	8,558	0	32,234
Acquisition and Transition Costs	0	98	7	106
Other Operating Expenses	6,281	13,200	12,156	20,827
Total Expenses	480,852	420,346	948,954	798,050
Income Before Income from Equity Method Investments and Income Taxes	207,013	86,729	401,221	136,032
Income from Equity Method Investments	3,394	2,313	6,418	5,441
Income Before Income Taxes	210,407	89,042	407,639	141,473
Provision for Income Taxes	46,478	21,814	78,159	35,365
Net Income	163,929	67,228	329,480	106,108
Net Income Attributable to Noncontrolling Interest	23,570	10,816	44,769	18,521
Net Income Attributable to Evercore Inc.	140,359	56,412	284,711	87,587
Net Income Attributable to Evercore Inc. Common Shareholders	$ 140,359	$ 56,412	$ 284,711	$ 87,587
Weighted Average Shares of Class A Common Stock Outstanding
Basic (in shares)	40,667	40,635	41,010	40,313
Diluted (in shares)	43,661	41,894	44,053	42,105
Net Income Per Share Attributable to Evercore Inc. Common Shareholders:
Basic (in dollars per share)	$ 3.45	$ 1.39	$ 6.94	$ 2.17
Diluted (in dollars per share)	$ 3.21	$ 1.35	$ 6.46	$ 2.08
Investment Banking [Member]
Investment Banking:
Revenue from Contract with Customer	$ 659,587	$ 484,335	$ 1,304,288	$ 919,583
Net Revenues	670,820	495,374	1,318,105	909,030
Expenses
Special Charges, Including Business Realignment Costs	0	8,558	0	32,202
Acquisition and Transition Costs	0	98	7	106
Income Before Income from Equity Method Investments and Income Taxes	202,660	86,735	393,412	135,370
Income from Equity Method Investments	549	65	718	601
Income Before Income Taxes	203,209	86,800	394,130	135,971
Investment Banking [Member] | Advisory Fees [Member]
Investment Banking:
Revenue from Contract with Customer	560,814	336,436	1,072,732	695,000
Investment Banking [Member] | Underwriting Fees [Member]
Investment Banking:
Revenue from Contract with Customer	48,048	93,565	127,305	114,683
Investment Banking [Member] | Commissions and Related Revenue [Member]
Investment Banking:
Revenue from Contract with Customer	50,725	54,334	104,251	109,900
Investment Management [Member]
Investment Banking:
Revenue from Contract with Customer	16,183	12,953	31,132	25,700
Net Revenues	17,045	11,701	32,070	25,052
Expenses
Special Charges, Including Business Realignment Costs	0	0	0	32
Income Before Income from Equity Method Investments and Income Taxes	4,353	(6)	7,809	662
Income from Equity Method Investments	2,845	2,248	5,700	4,840
Income Before Income Taxes	7,198	2,242	13,509	5,502
Investment Management [Member] | Asset Management [Member]
Investment Banking:
Revenue from Contract with Customer	$ 16,183	$ 12,953	$ 31,132	$ 25,700