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v3.22.2

Related-Party Transactions - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Related Party Transaction [Line Items] |  |  |  |  |
Aggregate principal amount for employee notes receivable | $ 16,000 |  | $ 16,000 |  | $ 40,000
MMC [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Real estate brokerage commissions and financing fees from transactions with subsidiaries of Marcus & Millichap Company | 912,000 | $ 337,000 | 2,510,000 | $ 794,000 |
Commission expenses for transactions with subsidiaries of Marcus & Millichap Company | 547,000 | 203,000 | 1,501,000 | 477,000 |
Operating lease cost | 320,000 | $ 332,000 | $ 653,000 | 665,000 |
Lease expiration date |  |  | May 31, 2023 |  |
Accounts payable and other liabilities - related party | $ 11,000 |  | $ 11,000 |  | $ 93,000
MMC [Member] | Transition Services Agreement [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Selling, general and administrative expense |  |  | $ 18,000 | $ 4,000 |
George M. Marcus [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Beneficial ownership percentage |  |  | 38.00% |  |

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