Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net Income Including the Noncontrolling Interests in Subsidiaries	$ 86,684	$ 73,585	$ 234,750	$ 192,036
Permanent Equity
Foreign Currency Translation Gain (Loss)	16,239	(11,795)	(9,333)	(13,670)
Temporary Equity
Foreign Currency Translation Gain (Loss)	7,316	(5,544)	(4,573)	(6,430)
Other Comprehensive Income (Loss), net of tax	23,555	(17,339)	(13,906)	(20,100)
Comprehensive Income Including the Noncontrolling Interests in Subsidiaries	110,239	56,246	220,844	171,936
Less: Comprehensive Income (Loss) Attributable to Redeemable Noncontrolling Interest in Subsidiaries	8,178	(4,921)	(1,019)	(4,626)
Comprehensive Income Attributable to Federated Hermes, Inc.	$ 102,061	$ 61,167	$ 221,863	$ 176,562