XML 57 R50.htm IDEA: XBRL DOCUMENT v3.24.3
Debt - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2024
Dec. 31, 2026
Debt Instrument [Line Items]      
Percentage of voting equity of subsidiaries   65.00%  
Debt instrument interest rate 6.20% 6.20%  
Line of credit facility, available borrowing capacity $ 114.4 $ 114.4  
Weighted average interest rate 6.66% 6.68%  
Letters of Credit [Member]      
Debt Instrument [Line Items]      
Available for issuance of letter of credit $ 5.0 $ 5.0  
Issuance of letter of credit 0.6 $ 0.6  
Credit Facility [Member]      
Debt Instrument [Line Items]      
Credit facility maturity date   Dec. 31, 2026  
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 $ 50.0