Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Investment Banking:
Other Revenue, Including Interest and Investments	$ (6,309)	$ 45,454	$ 19,051
Total Revenues	2,285,319	2,028,837	2,082,476
Interest Expense	21,414	20,139	17,771
Net Revenues	2,263,905	2,008,698	2,064,705
Expenses
Employee Compensation and Benefits	1,372,339	1,200,977	1,197,173
Occupancy and Equipment Rental	74,107	68,285	58,971
Professional Fees	80,883	81,851	82,393
Travel and Related Expenses	25,887	75,395	68,754
Communications and Information Services	54,274	47,315	41,319
Depreciation and Amortization	26,245	31,023	27,054
Execution, Clearing and Custody Fees	13,592	12,967	11,470
Special Charges, Including Business Realignment Costs	46,645	10,141	5,012
Acquisition and Transition Costs	562	1,013	21
Other Operating Expenses	42,938	42,020	30,461
Total Expenses	1,737,472	1,570,987	1,522,628
Income Before Income from Equity Method Investments and Income Taxes	526,433	437,711	542,077
Income from Equity Method Investments	14,398	10,996	9,294
Income Before Income Taxes	540,831	448,707	551,371
Provision for Income Taxes	128,151	95,046	108,520
Net Income	412,680	353,661	442,851
Net Income Attributable to Noncontrolling Interest	62,106	56,225	65,611
Net Income Attributable to Evercore Inc.	350,574	297,436	377,240
Net Income Attributable to Evercore Inc. Common Shareholders	$ 350,574	$ 297,436	$ 377,240
Weighted Average Shares of Class A Common Stock Outstanding
Basic (in shares)	40,553	39,994	40,595
Diluted (in shares)	42,623	43,194	45,279
Net Income Per Share Attributable to Evercore Inc. Common Shareholders:
Basic (in dollars per share)	$ 8.64	$ 7.44	$ 9.29
Diluted (in dollars per share)	$ 8.22	$ 6.89	$ 8.33
Investment Banking [Member]
Investment Banking:
Revenue from Contract with Customer	$ 2,237,231	$ 1,932,772	$ 2,015,179
Net Revenues	2,217,386	1,951,795	2,012,023
Expenses
Special Charges, Including Business Realignment Costs	46,600	7,202	5,012
Acquisition and Transition Costs	262	705	0
Income Before Income from Equity Method Investments and Income Taxes	530,732	432,700	533,356
Income from Equity Method Investments	1,546	916	518
Income Before Income Taxes	532,278	433,616	533,874
Investment Banking [Member] | Advisory Fees [Member]
Investment Banking:
Revenue from Contract with Customer	1,755,273	1,653,585	1,743,473
Investment Banking [Member] | Underwriting Fees [Member]
Investment Banking:
Revenue from Contract with Customer	276,191	89,681	71,691
Investment Banking [Member] | Commissions and Related Fees [Member]
Investment Banking:
Revenue from Contract with Customer	205,767	189,506	200,015
Investment Management [Member]
Investment Banking:
Revenue from Contract with Customer	54,397	50,611	48,246
Net Revenues	46,519	56,903	52,682
Expenses
Special Charges, Including Business Realignment Costs	45	2,939	0
Acquisition and Transition Costs	300	308	21
Income Before Income from Equity Method Investments and Income Taxes	(4,299)	5,011	8,721
Income from Equity Method Investments	12,852	10,080	8,776
Income Before Income Taxes	8,553	15,091	17,497
Investment Management [Member] | Asset Management [Member]
Investment Banking:
Revenue from Contract with Customer	$ 54,397	$ 50,611	$ 48,246