v3.26.1
Derivative Financial Instruments - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]    
Interest rate derivative portfolio $ 4.7 $ 9.9
Interest-rate contracts maturity period 7 years 8 months 12 days  
Notional maturities for interest-rate contracts, remainder of 2026 $ 305.0  
Notional maturities for interest-rate contracts 2027 206.1  
Notional maturities for interest-rate contracts 2028 228.5  
Notional maturities for interest-rate contracts 2029 626.0  
Notional maturities for interest-rate contracts 2030 60.0  
Notional maturities for interest-rate contracts thereafter $ 587.0  
Maximum length of time for which company is hedging its exposure to the variability in future cash flows 6 years 4 months 24 days  
Accumulated net gain on interest rate contracts included in AOCI expected to be reclassified to interest expense in the following 12 months $ 2.1  
Cumulative basis adjustments on discontinued hedge relationships 0.5 $ 0.1
Interest Rate Contract    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount of outstanding contracts $ 2,012.6