CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue
Total Revenue	$ 1,609,574	$ 1,445,814	$ 1,300,447
Operating Expenses
Compensation and Related	563,388	512,713	532,492
Distribution	371,198	314,554	160,884
Systems and Communications	84,203	77,783	75,429
Professional Service Fees	69,514	57,747	60,331
Office and Occupancy	45,069	43,361	44,573
Advertising and Promotional	22,992	20,931	21,600
Travel and Related	15,409	12,456	5,337
Intangible Asset Related	13,870	44,066	13,823
Other	36,382	25,407	19,706
Total Operating Expenses	1,222,025	1,109,018	934,175
Operating Income	387,549	336,796	366,272
Nonoperating Income (Expenses)
Investment Income, net	22,559	8,973	3,171
Gain (Loss) on Securities, net	13,181	(28,696)	9,532
Debt Expense	(12,519)	(11,073)	(1,785)
Other, net	562	222	(900)
Total Nonoperating Income (Expenses), net	23,783	(30,574)	10,018
Income Before Income Taxes	411,332	306,222	376,290
Income Tax Provision	106,551	71,658	103,982
Net Income Including the Noncontrolling Interests in Subsidiaries	304,781	234,564	272,308
Less: Net Income (Loss) Attributable to the Noncontrolling Interests in Subsidiaries	5,801	(4,932)	2,015
Net Income	$ 298,980	$ 239,496	$ 270,293
Amounts Attributable to Federated Hermes, Inc.
Earning per common share - basic (usd per share)	$ 3.40	$ 2.65	$ 2.77
Earnings per common share—diluted (usd per share)	3.40	2.65	2.75
Cash dividends per share (usd per share)	$ 1.11	$ 1.08	$ 1.08
Investment Advisory Fees, net | Affiliates
Revenue
Total Revenue	$ 870,831	$ 772,993	$ 656,958
Investment Advisory Fees, net | Nonrelated Party
Revenue
Total Revenue	244,952	238,638	259,026
Administrative Service Fees, net—Affiliates | Affiliates
Revenue
Total Revenue	343,332	294,557	306,639
Other Service Fees, net | Affiliates
Revenue
Total Revenue	134,429	121,383	61,326
Other Service Fees, net | Nonrelated Party
Revenue
Total Revenue	$ 16,030	$ 18,243	$ 16,498