LOANS AND LEASES - Additional Information (Detail)	12 Months Ended
Dec. 31, 2024 USD ($) loans	Dec. 31, 2023 USD ($) loans	Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unused Commitments to Extend Credit	$ 3,750,657,000	$ 3,982,599,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	11,300,000	$ 4,400,000
Restructured Loans, Nonaccrual Status			$ 10,000,000.0
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	$ 0
Impaired receivables, Number of Contracts \| loans	12	18
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Restructured Loans, Loan Relationships, Review Threshold Amount Minimum	$ 250,000

Impaired receivables, Number of Contracts

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- Definition

Nonperforming Loans, Loan Relationships, Review Threshold Amount Minimum for commercial and other loans greater than $250,000

+ References

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- Definition

Restructured Loans, Nonaccrual Status

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition

Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

+ References

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- Definition

Unused amount of commitments to extend credit to customers.

+ References

No definition available.

+ Details

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