SECURITIES - Summary of credit profile of debt securities held-to-maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	$ 33,241	$ 33,412
AAA
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	8,718	8,844
A1
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	5,923	5,968
BBB+
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	1,600	1,600
BBB
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	16,000	11,000
BBB-
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	1,000	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	0
Corporate Bonds | A1
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	0	0
Corporate Bonds | BBB+
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	1,600	1,600
Corporate Bonds | BBB
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	16,000	11,000
Corporate Bonds | BBB-
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	1,000	6,000
Asset-backed securities
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	14,641	14,812
Asset-backed securities | AAA
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	8,718	8,844
Asset-backed securities | A1
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	5,923	5,968
Asset-backed securities | BBB+
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	0	0
Asset-backed securities | BBB
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	0	0
Asset-backed securities | BBB-
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items]
Total held-to-maturity	$ 0	$ 0