Evercore Inc. (Parent Company Only) Financial Statements - Condensed Statements of Financial Condition (Parent Company Only) - (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets
Deferred Tax Assets	$ 198,894	$ 305,424
Goodwill	134,231	160,961	$ 166,461
Other Assets	65,073	62,474
Total Assets	1,584,886	1,662,346	$ 1,479,171
Liabilities
Taxes Payable	16,494	27,321
Other Current Liabilities	12,088	12,320
Total Current Liabilities	464,052	463,421
Amounts Due Pursuant to Tax Receivable Agreements	90,375	174,109
Long-tern Debt - Notes Payable	168,347	168,097
Total Liabilities	788,518	879,015
Stockholders' Equity
Additional Paid-In-Capital	1,600,699	1,368,122
Accumulated Other Comprehensive Income (Loss)	(31,411)	(50,096)
Retained Earnings	79,461	20,343
Treasury Stock at Cost	(1,105,406)	(811,653)
Total Evercore Inc. Stockholders' Equity	543,964	527,298
Total Liabilities and Equity	1,584,886	1,662,346
Parent Company [Member]
Assets
Equity Investment in Subsidiary	612,453	598,279
Deferred Tax Assets	180,487	291,827
Goodwill	15,236	15,236
Other Assets	9,689	0
Total Assets	817,865	905,342
Liabilities
Payable to Related Party	12,821	12,201
Taxes Payable	0	21,341
Other Current Liabilities	2,358	2,296
Total Current Liabilities	15,179	35,838
Amounts Due Pursuant to Tax Receivable Agreements	90,375	174,109
Long-tern Debt - Notes Payable	168,347	168,097
Total Liabilities	273,901	378,044
Stockholders' Equity
Additional Paid-In-Capital	1,600,699	1,368,122
Accumulated Other Comprehensive Income (Loss)	(31,411)	(50,096)
Retained Earnings	79,461	20,343
Treasury Stock at Cost	(1,105,406)	(811,653)
Total Evercore Inc. Stockholders' Equity	543,964	527,298
Total Liabilities and Equity	817,865	905,342
Class A [Member]
Stockholders' Equity
Common Stock	621	582
Class A [Member] | Parent Company [Member]
Stockholders' Equity
Common Stock	621	582
Class B [Member]
Stockholders' Equity
Common Stock	0	0
Class B [Member] | Parent Company [Member]
Stockholders' Equity
Common Stock	$ 0	$ 0