XML 77 R70.htm IDEA: XBRL DOCUMENT v3.25.3
Fair Value Measurements - Estimated Fair Values of Company's Financial Instruments (Detail) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
FINANCIAL ASSETS      
Federal funds sold, Carrying Amount $ 0 $ 715  
Debt securities held for investment, Carrying Amount 561 837  
Loans, net of allowance for credit losses, Carrying Amount 8,178,736 7,925,613  
Debt securities held for investment, Fair Value 561 837  
Loans held for sale, Fair Value 8,920 8,073  
FINANCIAL LIABILITIES      
Deposits, Carrying Amount 12,118,387 11,718,546 $ 11,474,352
Short-term borrowings, Carrying Amount 11,675 0  
Subordinated debt, Carrying Amount 86,200 86,157  
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS      
Loan commitments, Fair Value 4,030 4,313  
Letters of credit, Fair Value 630 769  
Level 2 Inputs [Member]      
FINANCIAL ASSETS      
Cash and cash equivalents, Carrying Amount 4,054,638 3,553,772  
Federal funds sold, Carrying Amount 0 715  
Debt securities held for investment, Carrying Amount 560 835  
Loans held for sale, Carrying Amount 8,920 8,073  
Cash and cash equivalents, Fair Value 4,054,638 3,553,772  
Federal funds sold, Fair Value 0 715  
Debt securities held for investment, Fair Value 560 835  
Loans held for sale, Fair Value 8,920 8,073  
FINANCIAL LIABILITIES      
Deposits, Carrying Amount 12,118,387 11,718,546  
Short-term borrowings, Carrying Amount 11,675    
Subordinated debt, Carrying Amount 86,200 86,157  
Deposits, Fair Value 11,428,081 10,966,958  
Short-term borrowings, Fair Value 11,675    
Subordinated debt, Fair Value 81,176 77,998  
Level 3 Inputs [Member]      
FINANCIAL ASSETS      
Debt securities held for investment, Carrying Amount 1 2  
Loans, net of allowance for credit losses, Carrying Amount 8,178,736 7,925,613  
Debt securities held for investment, Fair Value 1 2  
Loans, net of allowance for credit losses, Fair Value $ 9,032,951 $ 8,643,418