v3.26.1
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Additional Information (Detail)
$ in Millions
 3 Months Ended
Mar. 31, 2026
USD ($)
contract
derivative
Mar. 31, 2025
USD ($)
derivative
Dec. 31, 2025
USD ($)
derivative
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, net liability position, aggregate fair value $ 2.8    
Cash collateral received 4.0    
Derivatives designated as fair value hedges: | Interest rate derivatives      
Derivative Instruments, Gain (Loss) [Line Items]      
Aggregate notional amount     $ 800.0
Derivatives not designated as hedging instruments: | Interest rate swaps      
Derivative Instruments, Gain (Loss) [Line Items]      
Aggregate notional amount $ 1,100.0   $ 1,100.0
Number of derivative instruments held | derivative 108   118
Derivatives not designated as hedging instruments: | Interest rate caps      
Derivative Instruments, Gain (Loss) [Line Items]      
Aggregate notional amount $ 485.9   $ 432.2
Number of derivative instruments held | derivative 12   10
Cash Flow Hedges | Derivatives designated as fair value hedges:      
Derivative Instruments, Gain (Loss) [Line Items]      
Aggregate notional amount $ 300.0    
Number of instruments entered into | contract 2    
Gain to be reclassified from AOCI during the next twelve months $ 1.7    
Term of hedge 5 years    
Cash Flow Hedges | Derivatives designated as fair value hedges: | Interest rate derivatives      
Derivative Instruments, Gain (Loss) [Line Items]      
Aggregate notional amount $ 1,100.0    
Fair Value Hedging | Derivatives designated as fair value hedges: | Interest rate derivatives      
Derivative Instruments, Gain (Loss) [Line Items]      
Aggregate notional amount $ 2,200.0   $ 2,400.0
Number of outstanding interest rate derivatives | derivative 45   44
Number of interest rate derivatives entered into during the period | derivative 4 3  
Notional amount of derivatives entered into during the period $ 125.7 $ 320.2