Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v3.24.3
Debt - Additional Information (Detail)
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 18, 2024
USD ($)
Installment
Jul. 01, 2019
USD ($)
Jun. 24, 2013
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Jun. 17, 2024
USD ($)
Debt Instrument [Line Items]                  
Outstanding borrowings under credit facility               $ 2,719,000  
City National Bank                  
Debt Instrument [Line Items]                  
Credit facility, borrowing capacity     $ 15,000,000            
Accrued, unpaid interest           $ 0   19,000  
Interest expense including amortization of deferred financing fees       $ 12,000 $ 84,000 $ 84,000 $ 302,000    
Delayed Draw Term Loan | City National Bank                  
Debt Instrument [Line Items]                  
Credit facility, borrowing capacity   $ 25,500,000 $ 7,500,000            
Credit facility maturity date   Jul. 01, 2026       Jun. 24, 2025      
Credit facility, interest rate description           the higher of the prime rate plus a margin of 0.25 percentage points and 2.5% or (b) the SOFR rate plus 2.80 percentage points, at the borrowers’ option      
Credit facility draw date   Jul. 01, 2024              
Variable rate notes issued for redemption of partners' interests, spread     2.80%            
Outstanding borrowings under credit facility       0   $ 0   2,700,000  
Delayed Draw Term Loan | City National Bank | Maximum                  
Debt Instrument [Line Items]                  
Variable rate notes issued for redemption of partners' interests, spread     0.25%            
Debt instrument variable interest rate basis           prime rate      
Delayed Draw Term Loan | City National Bank | Minimum                  
Debt Instrument [Line Items]                  
Credit facility, fixed interest rate     2.50%            
Delayed Draw Term Loan | Amendment and Restatement Agreement | City National Bank                  
Debt Instrument [Line Items]                  
Credit facility, borrowing capacity $ 10,000,000               $ 25,500,000
Credit facility maturity date Jun. 18, 2027                
Credit facility draw date Jun. 18, 2025                
Credit facility, number of installments | Installment 3                
Periodic payment, principal $ 33,333.33                
Upfront fee 15,000,000                
Additional commitment fee amount $ 100,000,000                
Percentage of commitment fee 0.75%                
Line Of Credit Facility Percentage Of Commitment Revised To Equal Of principal amount of term loans outstanding 5.00%                
Borrowings Under Revolving Credit Agreement | City National Bank                  
Debt Instrument [Line Items]                  
Credit facility, borrowing capacity   $ 10,000,000 $ 7,500,000            
Credit facility maturity date   Jun. 18, 2024       Jun. 21, 2019      
Debt covenant, restriction on change in control     30.00%            
Outstanding borrowings under credit facility       $ 0   $ 0   $ 0  
Borrowings Under Revolving Credit Agreement | Amendment and Restatement Agreement | City National Bank                  
Debt Instrument [Line Items]                  
Credit facility, borrowing capacity $ 10,000,000                
Credit facility maturity date Jun. 18, 2025