Noncontrolling Interest - Schedule of Noncontrolling Interest (Details)	Mar. 31, 2021	Mar. 31, 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)	23.00%	21.00%
Real Estate Capital Advisory [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest (as a percent)	38.00%	38.00%