v3.26.1
Debt - Additional Information (Detail)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 12, 2026
USD ($)
Lenders
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]        
Aggregate principal amount   $ 35.0 $ 35.0 $ 35.0
Percentage of voting equity of subsidiaries     65.00%  
Debt instrument interest rate   5.23% 5.23%  
Line of credit facility, available borrowing capacity   $ 14.2 $ 14.2  
Weighted average interest rate   5.24% 5.17%  
Credit Facility [Member]        
Debt Instrument [Line Items]        
Credit facility maturity date Mar. 12, 2029      
Borrowing and repayment of credit facility $ 21.0      
Credit Facility [Member] | Letters of Credit [Member]        
Debt Instrument [Line Items]        
Available for issuance of letter of credit   $ 5.0 $ 5.0  
Issuance of letter of credit   $ 0.8 $ 0.8  
Credit Facility [Member] | Maximum [Member]        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity 150.0      
Increase (decrease) in line of credit facility $ 50.0      
Number of lenders | Lenders 3      
Credit Facility [Member] | Minimum [Member]        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity $ 50.0      
Increase (decrease) in line of credit facility $ 15.0      
Number of lenders | Lenders 1