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SECURITIES - Narrative (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Investment Holdings [Line Items] |  |  |
Proceeds from sales of securities available for sale | $ | $ 149,994 | $ 0 | $ 69,337
Corporate bonds |  |  |
Investment Holdings [Line Items] |  |  |
Available-for-sale, securities in unrealized loss positions | 13 |  |
Number of securities | 15 |  |
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage | 7.60% |  |
Other bonds and obligations |  |  |
Investment Holdings [Line Items] |  |  |
Available-for-sale, securities in unrealized loss positions | 2 |  |
Number of securities | 3 |  |
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage | 18.30% |  |
Municipal bonds and obligations |  |  |
Investment Holdings [Line Items] |  |  |
Available-for-sale, securities in unrealized loss positions | 46 |  |
Number of securities | 94 |  |
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage | 7.10% |  |
Number of HTM investment securities in unrealized loss positions | 119 |  |
Number of securities in the portfolio of HTM | 190 |  |
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions | 12.60% |  |
Tax advantaged economic development bonds |  |  |
Investment Holdings [Line Items] |  |  |
Number of HTM investment securities in unrealized loss positions | 2 |  |
Number of securities in the portfolio of HTM | 3 |  |
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions | 9.50% |  |
Agency commercial mortgage-backed securities |  |  |
Investment Holdings [Line Items] |  |  |
Available-for-sale, securities in unrealized loss positions | 137 |  |
Number of securities | 139 |  |
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage | 14.60% |  |
Number of HTM investment securities in unrealized loss positions | 17 |  |
Number of securities in the portfolio of HTM | 17 |  |
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions | 17.40% |  |
Agency collateralized mortgage obligations |  |  |
Investment Holdings [Line Items] |  |  |
Available-for-sale, securities in unrealized loss positions | 243 |  |
Number of securities | 245 |  |
Debt securities, continuous unrealized loss position, qualitative disclosure, aggregate losses percentage | 15.80% |  |
Number of HTM investment securities in unrealized loss positions | 13 |  |
Number of securities in the portfolio of HTM | 13 |  |
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions | 15.90% |  |
Net unrealized holding (loss) on AFS securities |  |  |
Investment Holdings [Line Items] |  |  |
Other accumulated comprehensive (loss), before tax: | $ | $ (236,887) | (1,806) |
Income taxes related to items of accumulated other comprehensive (loss)/income: | $ | 61,329 | 407 |
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent, Before Reclassification |  |  |
Investment Holdings [Line Items] |  |  |
Other accumulated comprehensive (loss), before tax: | $ | 238,000 | 4,200 |
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent, Reclassification |  |  |
Investment Holdings [Line Items] |  |  |
Other accumulated comprehensive (loss), before tax: | $ | $ 1,100 | $ 2,400 |

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