Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues
Total revenues	$ 2,207	$ 2,595	$ 4,336	$ 5,606
Expenses
Compensation	5,297	3,942	9,745	7,762
Management fee	2,757	442	3,860	2,424
Other operating expenses	2,130	1,885	3,996	4,064
Total expenses	10,184	6,269	17,601	14,250
Operating loss	(7,977)	(3,674)	(13,265)	(8,644)
Other income
Gain (Loss) on Investments	27,081	(159)	37,973	16,635
Interest and dividend income	5,819	7,860	10,837	13,843
Interest expense	(34)	(69)	(79)	(152)
Shareholder-designated contribution	0	(380)	(31)	(449)
Total other income, net	32,866	7,252	48,700	29,877
Income before income taxes	24,889	3,578	35,435	21,233
Income tax expense	6,217	684	8,994	4,482
Income before noncontrolling interests	18,672	2,894	26,441	16,751
Income/(loss) attributable to noncontrolling interests	88	(91)	188	(55)
Net income attributable to Associated Capital Group, Inc.'s shareholders	$ 18,584	$ 2,985	$ 26,253	$ 16,806
Net income per share attributable to Associated Capital Group, Inc.'s shareholders:
Basic and diluted (in dollars per share)	$ 0.88	$ 0.14	$ 1.24	$ 0.78
Weighted average shares outstanding:
Basic and diluted (in shares)	21,135	21,392	21,150	21,446
Total shares outstanding (in shares)	21,124	21,355	21,124	21,355
Investment Advice [Member]
Revenues
Total revenues	$ 2,081	$ 2,489	$ 4,085	$ 5,396
Financial Service, Other [Member]
Revenues
Total revenues	$ 126	$ 106	$ 251	$ 210