Organization (Policies)	6 Months Ended
Jun. 30, 2021
Organization [Abstract]
Organization	Unless we have indicated otherwise, or the context otherwise requires, references in this report to “Associated Capital Group, Inc.,” “AC Group,” “the Company,” “AC,” “we,” “us” and “our” or similar terms are to Associated Capital Group, Inc., its predecessors and its subsidiaries. We are a Delaware corporation that provides alternative investment management, and we derive investment income/(loss) from proprietary investment of cash and other assets in our operating business. Gabelli & Company Investment Advisors, Inc. (“GCIA”) and its wholly-owned subsidiary, Gabelli & Partners, LLC (“Gabelli & Partners”), collectively serve as general partners or investment managers to investment funds including limited partnerships and offshore companies (collectively, “Investment Partnerships”), and separate accounts. We primarily manage assets in equity event-driven value strategies, across a range of risk and event arbitrage portfolios. The businesses earn management and incentive fees from their advisory activities. Management fees are largely based on a percentage of assets under management. Incentive fees are based on the percentage of the investment returns of certain clients’ portfolios. GCIA is an investment adviser registered with the Securities and Exchange Commission under the Investment Advisers Act of 1940, as amended (the “Advisers Act”). In April 2018, the Company sponsored a €110 million initial public offering of its first special purpose acquisition corporation, the Gabelli Value for Italy S.p.a., an Italian company listed on the London Stock Exchange’s Borsa Italiana AIM segment under the symbol “VALU”. VALU was created to acquire a small-to medium-sized Italian franchise business with the potential for international expansion, particularly in the United States. Gabelli Value for Italy S.p.a was subsequently liquidated on July 8, 2020 at the apex of the pandemic in Italy.
Acquisition and Spin-offs	PMV Consumer Acquisition Corp. On September 22, 2020, Associated Capital announced the $175 million initial public offering of its special purpose acquisition corporation, PMV Consumer Acquisition Corp. (NYSE:PMVC). PMV Consumer Acquisition Corp. (“PMV”) was created to pursue an initial business combination following the consumer globally with companies having an enterprise valuation in the range of $200 million to $3.5 billion. PMV Consumer Acquisition Holding Company, LLC (“Sponsor”) was created to assist PMV in sourcing, analyzing and consummating acquisition opportunities for that initial business combination. The Sponsor and PMV have been consolidated in the financial statements of AC beginning in September 2020 because AC has a controlling financial interest in these entities. This resulted in the consolidation $177.2 million of assets, $13.8 million of liabilities, $155.7 million of redeemable noncontrolling interests, $(0.4) million of noncontrolling interests relating to PMV and the Sponsor as of June 30, 2021. In addition, there are several other entities that are consolidated within the financial statements. The details on the impact of consolidating these entities on the condensed consolidated financial statements can be seen in Note D. Investment Partnerships and Other Entities. See Note D for a further discussion of PMV Consumer Acquisition Corp. as well as its registration statement and Form 10K as of December 31, 2020 both located on the U.S. Securities and Exchange Commission website https://www.sec.gov under the symbol PMVC. AC Spin-off On November 30, 2015, GAMCO Investors, Inc. (“GAMCO” or “GBL”) distributed all the outstanding shares of each class of AC common stock on a pro rata one-for-one basis to the holders of each class of GAMCO’s common stock (the “Spin-off”). As part of the Spin-off, AC received 4,393,055 shares of GAMCO Class A common stock for $150 million. The Company currently holds 2,516,275 shares as of June 30, 2021. Morgan Group Spin-off On October 31, 2019, the Company closed on a transaction whereby Morgan Group Holding Co., (“Morgan Group”) a company that trades in the over-the-counter market under the symbol “MGHL” and under common control of AC’s majority shareholder, acquired all of the Company’s interest in G.research LLC, the Company’s former institutional research business, for 50,000,000 shares of Morgan Group common stock. In addition, immediately prior to the closing, 5.15 million Morgan Group shares were issued under a private placement for $515,000. Subsequent to the transaction and private placement, the Company had an 83.3% ownership interest in Morgan Group. The transaction was accounted for pursuant to ASC 805-50, Transactions Between Entities Under Common Control. For transactions between entities under common control, there is no change in basis in the net assets received and therefore they are recorded at their historical cost. On March 16, 2020, the Company announced that its Board of Directors approved the spin-off of Morgan Group to AC’s shareholders in which AC would distribute to its shareholders on a pro rata basis the 50,000,000 shares of Morgan Group that it owns. On May 5, 2020, the Morgan Group board approved a reverse stock split of the issued and outstanding shares of their common stock, par value $0.01 per share, in a ratio of 1‑for‑100 that was effective on June 10, 2020. Associated Capital held 83.3% of the outstanding shares of Morgan Group through August 5, 2020. On August 5, 2020, Morgan Group shares held by the Company were distributed to the Company’s shareholders of record as of July 30, 2020. Based on the distribution ratio, AC stockholders of record received approximately 0.022356 shares of Morgan Group common stock for each share of AC common stock held. The historical financial results of Morgan Group have been reflected in the Company’s condensed consolidated financial statements as discontinued operations for all periods presented through the date of the spin-off.
Basis of Presentation	Basis of Presentation The unaudited interim condensed consolidated financial statements of AC Group included herein have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP in the United States for complete financial statements. In the opinion of management, the unaudited interim condensed consolidated financial statements reflect all adjustments, which are of a normal recurring nature, necessary for a fair presentation of financial position, results of operations and cash flows of the Company for the interim periods presented and are not necessarily indicative of a full year’s results. The interim condensed consolidated financial statements include the accounts of AC Group and its subsidiaries. All material intercompany transactions and balances have been eliminated. These interim condensed consolidated financial statements should be read in conjunction with our audited consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2020.
Use of Estimates	Use of Estimates The preparation of the condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported on the condensed consolidated financial statements and accompanying notes. Actual results could differ from those estimates.
Investment in Marketable Securities held in trust account	Investment in Marketable Securities held in trust account Marketable securities of our consolidated SPAC, PMV, are held in short-term investments such as money market funds that invest primarily in U.S. Treasury Bills or directly in U.S. Treasury Bills. At December 31, 2020 such investments were accounted for as held to maturity. During the six-month period ended June 30, 2021, those held to maturity investments matured and were invested in money market funds recorded at fair value, which approximates their carrying values due to their short maturity profiles.
Recent Accounting Developments	Recent Accounting Developments In June 2016, the FASB issued ASU 2016-13, Accounting for Financial Instruments - Credit Losses (Topic 326) (“ASU 2016-13”), which requires an organization to measure all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Currently, U.S. GAAP requires an “incurred loss” methodology that delays recognition until it is probable a loss has been incurred. Under ASU 2016-13, the allowance for credit losses must be deducted from the amortized cost of the financial asset to present the net amount expected to be collected. The condensed consolidated statements of income will reflect the measurement of credit losses for newly recognized financial assets as well as the expected increases or decreases of expected credit losses that have taken place during the period. In November 2019, the FASB issued ASU 2019-10, which deferred the effective date of this guidance for smaller reporting companies for three years. This guidance is effective for the Company on January 1, 2023 and requires a modified retrospective transition method, which will result in a cumulative-effect adjustment in retained earnings upon adoption. Early adoption is permitted. The Company is currently assessing the potential impact of this new guidance on the Company’s consolidated financial statements. In January 2017, the FASB issued ASU 2017-04, Intangibles - Goodwill and Other, to simplify the process used to test for impairment of goodwill. Under the new standard, an impairment loss must be recognized in an amount equal to the excess of the carrying amount of a reporting unit over its fair value, limited to the total amount of goodwill allocated to that reporting unit. As a smaller reporting company pursuant to ASU 2019-10, the ASU is effective for the Company on January 1, 2023. This guidance will be effective for the Company on January 1, 2023 using a prospective transition method and early adoption is permitted. The Company is currently evaluating the potential effect of this new guidance on the Company’s consolidated financial statements.

Organization (Policies)

6 Months Ended

Jun. 30, 2021

Unless we have indicated otherwise, or the context otherwise requires, references in this report to “Associated Capital Group, Inc.,” “AC Group,” “the Company,” “AC,” “we,” “us” and “our” or similar terms are to Associated Capital Group, Inc., its predecessors and its subsidiaries.

We are a Delaware corporation that provides alternative investment management, and we derive investment income/(loss) from proprietary investment of cash and other assets in our operating business.

Gabelli & Company Investment Advisors, Inc. (“GCIA”) and its wholly-owned subsidiary, Gabelli & Partners, LLC (“Gabelli & Partners”), collectively serve as general partners or investment managers to investment funds including limited partnerships and offshore companies (collectively, “Investment Partnerships”), and separate accounts. We primarily manage assets in equity event-driven value strategies, across a range of risk and event arbitrage portfolios. The businesses earn management and incentive fees from their advisory activities. Management fees are largely based on a percentage of assets under management. Incentive fees are based on the percentage of the investment returns of certain clients’ portfolios. GCIA is an investment adviser registered with the Securities and Exchange Commission under the Investment Advisers Act of 1940, as amended (the “Advisers Act”).

In April 2018, the Company sponsored a €110 million initial public offering of its first special purpose acquisition corporation, the Gabelli Value for Italy S.p.a., an Italian company listed on the London Stock Exchange’s Borsa Italiana AIM segment under the symbol “VALU”. VALU was created to acquire a small-to medium-sized Italian franchise business with the potential for international expansion, particularly in the United States. Gabelli Value for Italy S.p.a was subsequently liquidated on July 8, 2020 at the apex of the pandemic in Italy.

Acquisition and Spin-offs

PMV Consumer Acquisition Corp.

On September 22, 2020, Associated Capital announced the $175 million initial public offering of its special purpose acquisition corporation, PMV Consumer Acquisition Corp. (NYSE:PMVC).

PMV Consumer Acquisition Corp. (“PMV”) was created to pursue an initial business combination following the consumer globally with companies having an enterprise valuation in the range of $200 million to $3.5 billion. PMV Consumer Acquisition Holding Company, LLC (“Sponsor”) was created to assist PMV in sourcing, analyzing and consummating acquisition opportunities for that initial business combination.

The Sponsor and PMV have been consolidated in the financial statements of AC beginning in September 2020 because AC has a controlling financial interest in these entities. This resulted in the consolidation $177.2 million of assets, $13.8 million of liabilities, $155.7 million of redeemable noncontrolling interests, $(0.4) million of noncontrolling interests relating to PMV and the Sponsor as of June 30, 2021. In addition, there are several other entities that are consolidated within the financial statements. The details on the impact of consolidating these entities on the condensed consolidated financial statements can be seen in Note D. Investment Partnerships and Other Entities.

See Note D for a further discussion of PMV Consumer Acquisition Corp. as well as its registration statement and Form 10K as of December 31, 2020 both located on the U.S. Securities and Exchange Commission website https://www.sec.gov under the symbol PMVC.

AC Spin-off

On November 30, 2015, GAMCO Investors, Inc. (“GAMCO” or “GBL”) distributed all the outstanding shares of each class of AC common stock on a pro rata one-for-one basis to the holders of each class of GAMCO’s common stock (the “Spin-off”).

As part of the Spin-off, AC received 4,393,055 shares of GAMCO Class A common stock for $150 million. The Company currently holds 2,516,275 shares as of June 30, 2021.

Morgan Group Spin-off

On October 31, 2019, the Company closed on a transaction whereby Morgan Group Holding Co., (“Morgan Group”) a company that trades in the over-the-counter market under the symbol “MGHL” and under common control of AC’s majority shareholder, acquired all of the Company’s interest in G.research LLC, the Company’s former institutional research business, for 50,000,000 shares of Morgan Group common stock. In addition, immediately prior to the closing, 5.15 million Morgan Group shares were issued under a private placement for $515,000. Subsequent to the transaction and private placement, the Company had an 83.3% ownership interest in Morgan Group. The transaction was accounted for pursuant to ASC 805-50, Transactions Between Entities Under Common Control. For transactions between entities under common control, there is no change in basis in the net assets received and therefore they are recorded at their historical cost.

On March 16, 2020, the Company announced that its Board of Directors approved the spin-off of Morgan Group to AC’s shareholders in which AC would distribute to its shareholders on a pro rata basis the 50,000,000 shares of Morgan Group that it owns.

On May 5, 2020, the Morgan Group board approved a reverse stock split of the issued and outstanding shares of their common stock, par value $0.01 per share, in a ratio of 1‑for‑100 that was effective on June 10, 2020.

Associated Capital held 83.3% of the outstanding shares of Morgan Group through August 5, 2020.

On August 5, 2020, Morgan Group shares held by the Company were distributed to the Company’s shareholders of record as of July 30, 2020. Based on the distribution ratio, AC stockholders of record received approximately 0.022356 shares of Morgan Group common stock for each share of AC common stock held.

The historical financial results of Morgan Group have been reflected in the Company’s condensed consolidated financial statements as discontinued operations for all periods presented through the date of the spin-off.

Basis of Presentation

The unaudited interim condensed consolidated financial statements of AC Group included herein have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP in the United States for complete financial statements. In the opinion of management, the unaudited interim condensed consolidated financial statements reflect all adjustments, which are of a normal recurring nature, necessary for a fair presentation of financial position, results of operations and cash flows of the Company for the interim periods presented and are not necessarily indicative of a full year’s results.

The interim condensed consolidated financial statements include the accounts of AC Group and its subsidiaries. All material intercompany transactions and balances have been eliminated.

These interim condensed consolidated financial statements should be read in conjunction with our audited consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2020.

Use of Estimates

The preparation of the condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported on the condensed consolidated financial statements and accompanying notes. Actual results could differ from those estimates.

Investment in Marketable Securities held in trust account

Marketable securities of our consolidated SPAC, PMV, are held in short-term investments such as money market funds that invest primarily in U.S. Treasury Bills or directly in U.S. Treasury Bills. At December 31, 2020 such investments were accounted for as held to maturity. During the six-month period ended June 30, 2021, those held to maturity investments matured and were invested in money market funds recorded at fair value, which approximates their carrying values due to their short maturity profiles.

Recent Accounting Developments

In June 2016, the FASB issued ASU 2016-13, Accounting for Financial Instruments - Credit Losses (Topic 326) (“ASU 2016-13”), which requires an organization to measure all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Currently, U.S. GAAP requires an “incurred loss” methodology that delays recognition until it is probable a loss has been incurred. Under ASU 2016-13, the allowance for credit losses must be deducted from the amortized cost of the financial asset to present the net amount expected to be collected. The condensed consolidated statements of income will reflect the measurement of credit losses for newly recognized financial assets as well as the expected increases or decreases of expected credit losses that have taken place during the period. In November 2019, the FASB issued ASU 2019-10, which deferred the effective date of this guidance for smaller reporting companies for three years. This guidance is effective for the Company on January 1, 2023 and requires a modified retrospective transition method, which will result in a cumulative-effect adjustment in retained earnings upon adoption. Early adoption is permitted. The Company is currently assessing the potential impact of this new guidance on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, Intangibles - Goodwill and Other, to simplify the process used to test for impairment of goodwill. Under the new standard, an impairment loss must be recognized in an amount equal to the excess of the carrying amount of a reporting unit over its fair value, limited to the total amount of goodwill allocated to that reporting unit. As a smaller reporting company pursuant to ASU 2019-10, the ASU is effective for the Company on January 1, 2023. This guidance will be effective for the Company on January 1, 2023 using a prospective transition method and early adoption is permitted. The Company is currently evaluating the potential effect of this new guidance on the Company’s consolidated financial statements.