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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Mortgage Banking (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total residential loans included in held for sale loans | $ 1,235 | $ 2,189 |
Servicing loans for participants | 591,800 | 595,200 |
Contractually specified servicing fees | 2,100 | 1,600 | $ 1,600
Servicing Asset at Amortized Cost, Balance [Roll Forward] |  |  |
Balance at beginning of year | 3,161 | 3,383 |
Additions | 530 | 338 |
Amortization | (602) | (560) |
Balance at end of year | 3,089 | 3,161 | 3,383
Loans held for sale, unpaid principal balance | 1,200 | 2,100 |
Residential mortgages | Total residential real estate |  |  |
Servicing Asset at Amortized Cost, Balance [Roll Forward] |  |  |
Forward delivery commitments | 4,800 | 5,000 |
Sale of loans | 54,900 | 38,800 | 38,600
Net (losses) gains on sales of loans | $ 663 | $ 192 | $ 161

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- Definition Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1402 -Subsection Instruction 3 -Publisher SEC + Details
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