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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Net Gains (Losses) Relating to Free-Standing Derivative Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Potential common shares with strike prices that would cause them to be anti-dilutive (in shares) | 0 | 345,576 | 0 | 84,487
Other noninterest income | Interest rate contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on derivative instruments, net, pretax, total | $ 44 | $ 105 | $ 187 | $ (221)
Other noninterest income | Risk participation agreement |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on derivative instruments, net, pretax, total | 8 | 0 | 41 | 0
Mortgage banking activity | Interest rate lock commitments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on derivative instruments, net, pretax, total | (948) | (2,973) | 1,168 | 2,040
Mortgage banking activity | Forward contracts related to mortgage loans held for sale |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on derivative instruments, net, pretax, total | $ 1,482 | $ 10,919 | $ 6,242 | $ 3,043

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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