Regulatory Authorities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
EGL [Member]
Regulatory Authorities [Line Items]
Broker-Dealer, Minimum Net Capital Required, Alternative Standard	$ 250,000
Broker-Dealer, Net Capital	412,184,000	$ 660,032,000
Broker-Dealer, Excess Net Capital, Alternative Standard	411,934,000	$ 659,782,000
Evercore Trust Company [Member]
Regulatory Authorities [Line Items]
Tier One Capital	5,000,000
Minimum Liquid Assets, Amount	$ 3,500,000
Coverage of Operating Expenses (in days)	180 days