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Off-Balance Sheet Transactions and Guarantees (Tables) | 12 Months Ended
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Dec. 31, 2024
Off-Balance Sheet Transactions and Guarantees [Abstract] |
Off-Balance Sheet Financial Instruments | At December 31, 2024 and 2023, CTBI had the following off-balance sheet financial instruments, whose approximate contract amounts represent additional credit risk to CTBI:
(in thousands) |  | 2024 |  |  | 2023 |
Standby letters of credit |  | $ | 38,796 |  |  | $ | 38,861 |
Commitments to extend credit |  |  | 902,437 |  |  |  | 997,158 |
Total off-balance sheet financial instruments |  | $ | 941,233 |  |  | $ | 1,036,019 |

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- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined) which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 + Details
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