Share-Based and Other Deferred Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restructuring and Related Costs [Table Text Block]

The following table presents the change in the Company's Termination Costs liability for the years ended December 31, 2020 and 2019:

	For the Years Ended December 31,
	2020		2019
Beginning Balance	$	1,151	$	505
Termination Costs Incurred	30,340		7,756
Cash Benefits Paid	(26,492)		(6,412)
Non-Cash Charges	(410)		(698)
Ending Balance	$	4,589	$	1,151

2006 and 2016 Stock Incentive Plans [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Share Activity [Table Text Block]

The following table summarizes activity related to Service-based Awards during the year ended December 31, 2020:

	Service-based Awards
	Number of Shares	Grant Date Weighted Average Fair Value
Unvested Balance at January 1, 2020	6,414	$	527,456
Granted	1,946	157,508
Modified	—	—
Forfeited	(121)	(10,458)
Vested	(2,715)	(209,388)
Unvested Balance at December 31, 2020	5,524	$	465,118

Evercore ISI [Member] | Acquisition Related [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Share Activity [Table Text Block]

The following table summarizes activity related to the LP Units for the Company's equities business during the year ended December 31, 2020:

	Class J LP Units
	Number of Units	Grant Date Weighted Average Fair Value
Unvested Balance at January 1, 2020	223	$	4,311
Granted	—	—
Modified	—	—
Forfeited	—	—
Vested	(223)	(4,311)
Unvested Balance at December 31, 2020	—	$	—