Annual report pursuant to Section 13 and 15(d)

Debt - Additional Information (Detail)

v3.22.4
Debt - Additional Information (Detail)
12 Months Ended
Jun. 17, 2022
Jul. 01, 2019
USD ($)
Jun. 24, 2013
USD ($)
Installment
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]            
Outstanding borrowings under credit facility       $ 6,337,000 $ 9,025,000  
Interest expense including amortization of deferred financing fees       416,000 383,000 $ 563,000
City National Bank            
Debt Instrument [Line Items]            
Credit facility, borrowing capacity     $ 15,000,000.0      
Accrued, unpaid interest       37,000 25,000  
Interest expense including amortization of deferred financing fees       $ 382,000 366,000 $ 548,000
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    
Increased borrowing capacity under credit facility   $ 18,000,000.0        
Credit facility draw date   Jul. 01, 2024        
Variable rate notes issued for redemption of partners' interests, spread     2.80%      
Credit facility, number of installments | Installment     20      
Credit facility, frequency of installments       quarterly    
Outstanding borrowings under credit facility       $ 6,300,000 9,000,000  
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%      
Borrowings Under Revolving Credit Agreement | City National Bank            
Debt Instrument [Line Items]            
Credit facility, borrowing capacity   $ 10,000,000.0 $ 7,500,000      
Credit facility maturity date       Jun. 21, 2019    
Credit facility extended maturity date Jun. 18, 2023          
Increased borrowing capacity under credit facility   $ 2,500,000        
Debt covenant, restriction on change in control     30.00%      
Outstanding borrowings under credit facility       $ 0 $ 0