v3.25.2
Fair Value - Fair Value Measurement (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assumed Gain From Loan Sale $ 9,003    
Interest Rate Movement Effect 14,326    
Servicing Rights Value 33,683    
Security Price Change (11,422)    
Total Fair Value Measurement 45,590 $ 17,616  
Mortgage Banking | Level 2 | Fair Value, Recurring | Rate Lock Commitments      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value disclosure, off-balance sheet risks, face amount, liability 2,005,358    
Assumed Gain From Loan Sale 6,319    
Interest Rate Movement Effect 12,771    
Servicing Rights Value 27,714    
Total Fair Value Measurement 46,804    
Mortgage Banking | Level 2 | Fair Value, Recurring | Forward Sales Contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value disclosure, off-balance sheet risks, face amount, liability 2,076,492    
Security Price Change (11,422)    
Total Fair Value Measurement (11,422)    
Mortgage Banking | Level 2 | Fair Value, Recurring | Mortgages Held for Sale      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assumed Gain From Loan Sale 2,684    
Interest Rate Movement Effect 1,555    
Servicing Rights Value 5,969    
Total Fair Value Measurement 10,208    
Fair Value, principal amount, loans held for sale $ 405,766   $ 352,489