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SECURITIES - Summary of credit profile of debt securities held-to-maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | $ 33,615 | $ 33,705
AAA |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 9,022 |
A1 |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 5,993 |
BBB+ |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 1,600 |
BBB |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 11,000 |
BBB- |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 6,000 |
Corporate Bonds |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 18,600 | 18,600
Corporate Bonds | AAA |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 0 |
Corporate Bonds | A1 |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 0 |
Corporate Bonds | BBB+ |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 1,600 |
Corporate Bonds | BBB |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 11,000 |
Corporate Bonds | BBB- |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 6,000 |
Asset-backed securities |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 15,015 | $ 15,105
Asset-backed securities | AAA |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 9,022 |
Asset-backed securities | A1 |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 5,993 |
Asset-backed securities | BBB+ |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 0 |
Asset-backed securities | BBB |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | 0 |
Asset-backed securities | BBB- |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Total held-to-maturity | $ 0 |

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