Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Narrative (Detail)

v3.23.3
Related-Party Transactions - Narrative (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Related Party Transaction [Line Items]          
Total revenue $ 162,026,000 $ 323,840,000 $ 479,684,000 $ 1,039,261,000  
Cost of services 104,628,000 217,360,000 301,218,000 670,170,000  
Operating lease right-of-use assets, net 96,878,000   96,878,000   $ 87,945,000
Other assets, current 14,796,000   14,796,000   7,282,000
Accounts payable and accrued expenses 9,151,000   9,151,000   11,450,000
Related Party          
Related Party Transaction [Line Items]          
Other assets, current 74,000   74,000   6,000
MMC          
Related Party Transaction [Line Items]          
Operating lease cost 291,000 296,000 883,000 967,000  
Operating lease right-of-use assets, net 7,934,000   7,934,000   9,041,000
Operating lease liability 8,425,000   8,425,000   9,262,000
MMC | Related Party          
Related Party Transaction [Line Items]          
Total revenue 0 650,000 441,000 3,200,000  
Other assets, current 5,000   5,000    
Accounts payable and accrued expenses         $ 79,000
MMC | Transition Services Agreement          
Related Party Transaction [Line Items]          
Selling, general and administrative expense (24,000) (17,000) (68,000) (35,000)  
MMC | Brokerage And Financing Services | Related Party          
Related Party Transaction [Line Items]          
Cost of services $ 0 $ 388,000 $ 264,000 $ 1,900,000  
Chairman And Founder          
Related Party Transaction [Line Items]          
Beneficial ownership percentage     39.00%