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FAIR VALUE - Level 3 Fair Value Measurement Activity (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) investment | Dec. 31, 2022 USD ($) investment
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Number of investment transfers | investment | 0 | 0
Level 3 | Investment securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance, beginning of year | $ 27,193 | $ 23,147
Unrealized gains (losses) included in OCI | 358 | (1,859)
Purchases | 871 | 21,237
Net discount accretion | 62 | 56
Principal payments and other | (631) | (10)
Sales | 0 | (3,053)
Calls | 0 | (12,154)
Balance, end of year | 27,853 | 27,193
Level 3 | Investment securities | Collateralized Mortgage Obligations |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
OTTI | 0 | (171)
Level 3 | Interest rate lock commitments with customers |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance, beginning of year | 35 | 353
Total gains (losses) included in earnings | 20 | (318)
Balance, end of year | $ 55 | $ 35

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Calls + References No definition available. + Details
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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Discount Accretion (Premium Amortization), Amount + References No definition available. + Details
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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Than Temporary Impairment Losses Recognized in Earmings + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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