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Long -Term Borrowings - Information Related to Statutory Trusts Parenthetical (Detail)
12 Months Ended
Dec. 31, 2024
3-month [Member]  
Variable Interest Entity [Line Items]  
Debt instrument, basis spread on variable rate 0.26161%
6-month [Member]  
Variable Interest Entity [Line Items]  
Debt instrument, basis spread on variable rate 0.42826%