Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Investment Banking:
Other Revenue, Including Interest and Investments	$ 9,911	$ 10,058	$ 35,886	$ 20,826
Total Revenues	407,864	385,462	1,362,492	1,306,919
Interest Expense	5,666	4,203	13,921	13,620
Net Revenues	402,198	381,259	1,348,571	1,293,299
Expenses
Employee Compensation and Benefits	241,702	225,452	803,657	766,537
Occupancy and Equipment Rental	16,946	15,367	51,225	43,249
Professional Fees	21,577	19,698	60,912	56,581
Travel and Related Expenses	17,589	16,880	54,650	50,858
Communications and Information Services	12,146	10,590	34,773	31,634
Depreciation and Amortization	8,419	6,815	23,123	20,209
Execution, Clearing and Custody Fees	3,265	3,068	9,483	7,818
Special Charges	1,029	1,967	3,087	3,864
Acquisition and Transition Costs	380	0	488	21
Other Operating Expenses	8,801	6,882	26,185	20,657
Total Expenses	331,854	306,719	1,067,583	1,001,428
Income Before Income from Equity Method Investments and Income Taxes	70,344	74,540	280,988	291,871
Income from Equity Method Investments	2,562	2,298	7,226	6,842
Income Before Income Taxes	72,906	76,838	288,214	298,713
Provision for Income Taxes	20,402	17,539	60,253	48,018
Net Income	52,504	59,299	227,961	250,695
Net Income Attributable to Noncontrolling Interest	9,226	9,838	35,709	36,760
Net Income Attributable to Evercore Inc.	43,278	49,461	192,252	213,935
Net Income Attributable to Evercore Inc. Common Shareholders	$ 43,278	$ 49,461	$ 192,252	$ 213,935
Weighted Average Shares of Class A Common Stock Outstanding
Basic (in shares)	39,704	40,966	40,246	40,762
Diluted (in shares)	42,789	45,858	43,437	45,542
Net Income Per Share Attributable to Evercore Inc. Common Shareholders:
Basic (in dollars per share)	$ 1.09	$ 1.21	$ 4.78	$ 5.25
Diluted (in dollars per share)	$ 1.01	$ 1.08	$ 4.43	$ 4.70
Investment Banking [Member]
Investment Banking:
Revenue	$ 385,303	$ 362,726	$ 1,289,154	$ 1,249,490
Net Revenues	388,012	366,834	1,305,586	1,252,709
Expenses
Special Charges	1,029	1,967	3,087	3,864
Acquisition and Transition Costs	180	0	180	0
Income Before Income from Equity Method Investments and Income Taxes	68,398	71,137	274,517	284,275
Income from Equity Method Investments	282	0	756	297
Income Before Income Taxes	68,680	71,137	275,273	284,572
Investment Banking [Member] | Advisory Fees [Member]
Investment Banking:
Revenue	320,885	305,949	1,090,309	1,047,259
Investment Banking [Member] | Underwriting Fees [Member]
Investment Banking:
Revenue	17,598	11,440	61,428	62,784
Investment Banking [Member] | Commissions and Related Fees [Member]
Investment Banking:
Revenue	46,820	45,337	137,417	139,447
Investment Management [Member]
Investment Banking:
Revenue	12,650	12,678	37,452	36,603
Net Revenues	14,186	14,425	42,985	40,590
Expenses
Acquisition and Transition Costs	200	0	308	21
Income Before Income from Equity Method Investments and Income Taxes	1,946	3,403	6,471	7,596
Income from Equity Method Investments	2,280	2,298	6,470	6,545
Income Before Income Taxes	4,226	5,701	12,941	14,141
Investment Management [Member] | Asset Management [Member]
Investment Banking:
Revenue	$ 12,650	$ 12,678	$ 37,452	$ 36,603