CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION UNAUDITED - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
ASSETS
Cash and cash equivalents	$ 283,972	$ 293,112	$ 307,651
Investments in securities	267,925	222,383	193,120
Investment in GBL stock (3,726,250, 4,393,055 and 4,393,055 shares, respectively)	92,523	130,254	129,990
Investments in affiliated registered investment companies	140,746	145,914	136,284
Investments in partnerships	140,584	145,591	130,058
Receivable from brokers	18,535	34,881	12,021
Investment advisory fees receivable	1,485	5,739	1,349
Receivable from affiliates	1,235	15,866	1,524
Income taxes receivable and deferred tax assets	1,241	0	0
Goodwill	3,422	3,422	3,422
Other assets	3,675	9,753	2,214
Total assets	955,343	1,006,915	917,633
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Payable to brokers	5,621	13,281	6,168
Income taxes payable and deferred tax liabilities	0	5,484	4,506
Compensation payable	2,982	12,785	5,991
Securities sold, not yet purchased	5,211	5,731	7,519
Payable to affiliates	482	442	560
Accrued expenses and other liabilities	2,649	4,815	7,008
Total liabilities	16,945	42,538	31,752
Redeemable noncontrolling interests	50,604	46,230	4,050
Equity:
Preferred stock, $.001 par value; 10,000,000 shares authorized; none issued and outstanding	0	0	0
Additional paid-in capital	1,010,577	1,010,505	1,007,471
Retained earnings	(1,717)	13,800	(5,751)
GBL 4% PIK Note	(40,000)	(50,000)	(90,000)
Accumulated comprehensive income	0	6,712	11,886
Treasury stock, at cost (2,459,631, 1,952,908 and 1,343,694 shares, respectively)	(81,091)	(62,895)	(41,800)
Total Associated Capital Group, Inc. stockholders' equity	887,794	918,147	881,831
Total liabilities and equity	955,343	1,006,915	917,633
Class A [Member]
Equity:
Common stock	6	6	6
Class B [Member]
Equity:
Common stock	$ 19	$ 19	$ 19