Related Party Disclosures	12 Months Ended
Dec. 31, 2022
Related Party Disclosures [Abstract]
Related Party Disclosures	24. Related Party Disclosures KCA KCA is an affiliate of the Company and is under common ownership with the Company. To gain efficiencies and economies of scale with billing and administrative functions, KCA serves as a paymaster for the Company for payroll and related functions, the entirety of which KCA passes through to the subsidiaries of the Company proportionally. In addition, KCA sponsors a defined-contribution retirement plan under Section 401(k) of the Internal Revenue Code that covers substantially all employees of the Company. KCA owns a license from the Muriel Siebert Estate / Foundation to use the names "Muriel Siebert & Co., Inc." and "Siebert" within business activities, which expires in 2025. KCA passed through to the Company its cost of $60,000 in each of the years ended December 31, 2022 and 2021 for the use of these names. For the years ended December 31, 2022 and 2021, KCA has earned no profit for providing any services to the Company as KCA passes through any revenue or expenses to the Company’s subsidiaries. PW PW brokers the insurance policies for related parties. Revenue for PW from related parties was $129,000 and $70,000 for the years ended December 31, 2022 and 2021, respectively. Gloria E. Gebbia, John J. Gebbia, and Gebbia Family Members On March 31, 2022, Gloria E. Gebbia exchanged approximately $2.9 million of her notes payable to the Company for 24% of the outstanding and issued membership interests in RISE. The Company entered into various debt agreements with Gloria E. Gebbia, the Company’s principal stockholder, which have been paid back as of December 31, 2022. Refer to Note 14 – Notes Payable – Related Party for additional detail. The Company’s obligations under its loan with East West Bank are guaranteed pursuant to a guarantee agreement by and among, John J. Gebbia and Gloria E. Gebbia, individually, and as a co-trustees of the John and Gloria Gebbia Trust. Refer to Note 13 – Long-Term Debt for additional detail. Gloria E. Gebbia has extended loans to certain Company employees for the purchase of the Company’s shares. These transactions have not materially impacted the Company’s financial statements. The sons of Gloria E. Gebbia and John J. Gebbia hold executive positions within the Company’s subsidiaries and their compensation was in aggregate $2,427,000 and $1,179,000 for the years ended December 31, 2022 and 2021, respectively. Part of their compensation includes performance-based payments related to key revenue streams. Gebbia Sullivan County Land Trust The Company operates on a month-to-month lease agreement for its branch office in Omaha, Nebraska with the Gebbia Sullivan County Land Trust, the trustee of which is a member of the Gebbia Family. For the years ended December 31, 2022 and 2021, rent expense was $60,000 for this branch office. Tigress, Hedge Connection, Ms. DiBartolo, and Ms. Vioni The Company has entered into various agreements and subsequent terminations with Tigress and its CEO, Ms. DiBartolo as well as Hedge and its founder, Ms. Vioni. Refer to Note 3 – Transactions with Tigress and Hedge Connection and Note 11– Equity Method Investment in Related Parties for further detail. RISE During the year ended 2022, RISE issued and Siebert sold membership interests of RISE to Siebert employees, directors and affiliates. Refer to Note 4 – RISE for further detail.

Related Party Disclosures

12 Months Ended

Dec. 31, 2022

24. Related Party Disclosures

KCA

KCA is an affiliate of the Company and is under common ownership with the Company. To gain efficiencies and economies of scale with billing and administrative functions, KCA serves as a paymaster for the Company for payroll and related functions, the entirety of which KCA passes through to the subsidiaries of the Company proportionally. In addition, KCA sponsors a defined-contribution retirement plan under Section 401(k) of the Internal Revenue Code that covers substantially all employees of the Company.

KCA owns a license from the Muriel Siebert Estate / Foundation to use the names "Muriel Siebert & Co., Inc." and "Siebert" within business activities, which expires in 2025. KCA passed through to the Company its cost of $60,000 in each of the years ended December 31, 2022 and 2021 for the use of these names.

For the years ended December 31, 2022 and 2021, KCA has earned no profit for providing any services to the Company as KCA passes through any revenue or expenses to the Company’s subsidiaries.

PW brokers the insurance policies for related parties. Revenue for PW from related parties was $129,000 and $70,000 for the years ended December 31, 2022 and 2021, respectively.

Gloria E. Gebbia, John J. Gebbia, and Gebbia Family Members

On March 31, 2022, Gloria E. Gebbia exchanged approximately $2.9 million of her notes payable to the Company for 24% of the outstanding and issued membership interests in RISE.

The Company entered into various debt agreements with Gloria E. Gebbia, the Company’s principal stockholder, which have been paid back as of December 31, 2022. Refer to Note 14 – Notes Payable – Related Party for additional detail.

The Company’s obligations under its loan with East West Bank are guaranteed pursuant to a guarantee agreement by and among, John J. Gebbia and Gloria E. Gebbia, individually, and as a co-trustees of the John and Gloria Gebbia Trust. Refer to Note 13 – Long-Term Debt for additional detail.

Gloria E. Gebbia has extended loans to certain Company employees for the purchase of the Company’s shares. These transactions have not materially impacted the Company’s financial statements.

The sons of Gloria E. Gebbia and John J. Gebbia hold executive positions within the Company’s subsidiaries and their compensation was in aggregate $2,427,000 and $1,179,000 for the years ended December 31, 2022 and 2021, respectively. Part of their compensation includes performance-based payments related to key revenue streams.

Gebbia Sullivan County Land Trust

The Company operates on a month-to-month lease agreement for its branch office in Omaha, Nebraska with the Gebbia Sullivan County Land Trust, the trustee of which is a member of the Gebbia Family. For the years ended December 31, 2022 and 2021, rent expense was $60,000 for this branch office.

Tigress, Hedge Connection, Ms. DiBartolo, and Ms. Vioni

The Company has entered into various agreements and subsequent terminations with Tigress and its CEO, Ms. DiBartolo as well as Hedge and its founder, Ms. Vioni. Refer to Note 3 – Transactions with Tigress and Hedge Connection and Note 11– Equity Method Investment in Related Parties for further detail.

RISE

During the year ended 2022, RISE issued and Siebert sold membership interests of RISE to Siebert employees, directors and affiliates. Refer to Note 4 – RISE for further detail.