Annual report [Section 13 and 15(d), not S-K Item 405]

Debt - Additional Information (Detail)

v3.25.0.1
Debt - Additional Information (Detail)
12 Months Ended
Jun. 18, 2024
USD ($)
Installment
Jul. 01, 2019
USD ($)
Jun. 24, 2013
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
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       $ 97,000 369,000 $ 382,000  
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 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    
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