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Allowance for Credit Losses - Schedule Of Credit Losses Related To Accrued Interest Receivables and Written Off (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Accrued Interest Receivables And Written Off Status [Line Items]
Total	$ 95,960	$ 87,062
Other Commercial [Member]
Accrued Interest Receivables And Written Off Status [Line Items]
Accrued Interest Receivable	11,822	10,512
Residential Real Estate [Member]
Accrued Interest Receivables And Written Off Status [Line Items]
Accrued Interest Receivable	21,643	21,662
Owner-Occupied [Member] | Commercial Real Estate [Member]
Accrued Interest Receivables And Written Off Status [Line Items]
Accrued Interest Receivable	6,922	4,700
Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Accrued Interest Receivables And Written Off Status [Line Items]
Accrued Interest Receivable	37,086	30,582
Construction [Member]
Accrued Interest Receivables And Written Off Status [Line Items]
Accrued Interest Receivable	16,046	17,174
Bankcard [Member] | Consumer [Member]
Accrued Interest Receivables And Written Off Status [Line Items]
Accrued Interest Receivable	0	0
Other Consumer [Member] | Consumer [Member]
Accrued Interest Receivables And Written Off Status [Line Items]
Accrued Interest Receivable	$ 2,441	$ 2,432

X

- Definition

Carrying amount as of the balance sheet date of interest earned but not received on loans. Also called accrued interest or accrued interest receivable on loans.

+ References

No definition available.

+ Details

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X

- Definition

Carrying amount as of the balance sheet date of interest earned but not received on loans, net of any allowance for probable credit losses. Also called net accrued interest or net accrued interest receivable on loans.

+ References

No definition available.

+ Details

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X

- Definition

Accrued interest receivables and written off status.

+ References

No definition available.

+ Details

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