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FAIR VALUE DISCLOSURES - Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financial assets |  |
Investment securities held-to-maturity | $ 76,960 | $ 80,321
Other investments | 114,598 | 129,945
Interest Receivable | 53,157 | 56,900
Financial liabilities |  |
Deposits | 14,329,138 | 13,360,797
Federal Home Loan Bank Stock and Federal Reserve Bank Stock | 103,000 | 109,400
Impaired Commercial And Commercial Real Estate Loans Member |  |
Financial liabilities |  |
Principal Amount of Commercial and Commercial Real Estate Loans | 3,900 | 19,700
Allowance for Loan and Lease Losses, Real Estate | 2,100 | 4,400
Carrying value |  |
Financial assets |  |
Cash and interest-bearing deposits with other banks | 904,486 | 1,006,019
Investment securities held-to-maturity | 76,960 | 80,321
Other investments | 11,570 | 20,554
Loans and leases | 11,604,987 | 10,791,743
Interest Receivable | 67,420 | 72,620
Financial liabilities |  |
Deposits | 14,329,138 | 13,360,797
Short-term borrowings | 755,452 | 937,814
Long-term debt | 347,509 | 344,115
Interest Payable | 43,411 | 51,454
Fair value |  |
Financial assets |  |
Cash and interest-bearing deposits with other banks | 904,486 | 1,006,019
Investment securities held-to-maturity | 68,989 | 71,688
Other investments | 11,570 | 20,554
Loans and leases | 11,417,941 | 10,468,144
Interest Receivable | 67,420 | 72,620
Financial liabilities |  |
Deposits | 14,322,815 | 13,347,319
Short-term borrowings | 755,452 | 937,814
Long-term debt | 346,613 | 350,426
Interest Payable | 43,411 | 51,454
Fair Value, Inputs, Level 1 [Member] | Fair value |  |
Financial assets |  |
Cash and interest-bearing deposits with other banks | 904,486 | 1,006,019
Investment securities held-to-maturity | 0 | 0
Other investments | 1,530 | 1,194
Loans and leases | 0 | 0
Interest Receivable | 0 | 0
Financial liabilities |  |
Deposits | 0 | 0
Short-term borrowings | 755,452 | 937,814
Long-term debt | 0 | 0
Interest Payable | 4,663 | 15,494
Fair Value, Inputs, Level 2 [Member] | Fair value |  |
Financial assets |  |
Cash and interest-bearing deposits with other banks | 0 | 0
Investment securities held-to-maturity | 68,989 | 71,688
Other investments | 40 | 10,040
Loans and leases | 0 | 0
Interest Receivable | 14,263 | 15,697
Financial liabilities |  |
Deposits | 14,322,815 | 13,347,319
Short-term borrowings | 0 | 0
Long-term debt | 346,613 | 350,426
Interest Payable | 38,748 | 35,960
Fair Value, Inputs, Level 3 [Member] | Fair value |  |
Financial assets |  |
Cash and interest-bearing deposits with other banks | 0 | 0
Investment securities held-to-maturity | 0 | 0
Other investments | 10,000 | 9,320
Loans and leases | 11,417,941 | 10,468,144
Interest Receivable |  | 56,923
Financial liabilities |  |
Deposits | 0 | 0
Short-term borrowings | 0 | 0
Long-term debt | 0 | 0
Interest Payable | $ 0 | $ 0

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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