Noncontrolling Interest - Schedule of Noncontrolling Interest (Details)	Jun. 30, 2021	Jun. 30, 2020
Evercore LP [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	11.00%	11.00%
Evercore Wealth Management [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	25.00%	22.00%
Real Estate Capital Advisory [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	38.00%	38.00%