CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION UNAUDITED (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
ASSETS
Cash and cash equivalents	$ 307,490	$ 210,451	$ 222,776
Investments in securities	225,596	231,228	220,440
Investments in sponsored registered investment companies	40,791	44,042	52,341
Investments in partnerships	107,896	95,992	94,535
Receivable from brokers	58,945	49,461	39,669
Investment advisory fees receivable	32,228	51,506	28,240
Income tax receivable	1,077	445	413
Other assets	30,779	26,360	25,087
Total assets	804,802	709,485	683,501
Liabilities and Equity
Payable to brokers	19,859	10,765	14,986
Income taxes payable and deferred tax liabilities	31,029	39,846	27,864
Capital lease obligation	5,290	5,323	4,877
Compensation payable	68,908	34,663	59,643
Securities sold, not yet purchased	14,329	6,178	7,598
Mandatorily redeemable noncontrolling interests	1,339	1,355	1,322
Accrued expenses and other liabilities	32,194	32,511	31,971
Sub-total	172,948	130,641	148,261
5.5% Senior notes (due May 15, 2013)	0	0	0
5.875% Senior notes (due June 1, 2021)	100,000	100,000	100,000
Zero coupon subordinated debentures, Face value: $21.7 million at June 30, 2013 and December 31, 2012 and $86.3 million at June 30, 2012 (due December 31, 2015)	11,813	11,911	17,028
Total liabilities	284,761	242,552	265,289
Redeemable noncontrolling interests	22,806	6,751	7,021
Commitments and contingencies (Note J)
GAMCO Investors, Inc. stockholders' equity
Preferred Stock
Additional paid-in capital	287,879	282,496	280,210
Retained earnings	560,238	506,441	456,163
Accumulated other comprehensive income	25,844	30,239	25,392
Total GAMCO Investors, Inc. stockholders' equity	494,418	457,331	408,413
Noncontrolling interests	2,817	2,851	2,778
Total equity	497,235	460,182	411,191
Total liabilities and equity	804,802	709,485	683,501
Class A [Member]
GAMCO Investors, Inc. stockholders' equity
Common Stock	14	14	13
Treasury stock, at cost (8,118,237, 8,081,561 and 7,167,981 shares, respectively)	(379,576)	(361,878)	(353,385)
Class B [Member]
GAMCO Investors, Inc. stockholders' equity
Common Stock	$ 19	$ 19	$ 20

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due and the cumulative amount for all deferred tax liabilities as of the balance sheet date arising from temporary differences between accounting income in accordance with generally accepted accounting principles and tax-basis income that will result in future taxable income exceeding future accounting income.

No definition available.