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FAIR VALUE OF ASSETS AND LIABILITIES - Summary of fair value hierarchy (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financial assets |  |
Securities held-to-maturity | $ 33,615 | $ 33,705
Loans, net | 1,567,332 | 1,531,727
Financial Liabilities |  |
Time deposits | 521,074 | 416,260
FHLB advances | 399,500 | 310,500
Quoted Prices in Active Markets for Identical Assets |  |
Financial assets |  |
Securities held-to-maturity | 0 | 0
Loans, net | 0 | 0
Financial Liabilities |  |
Time deposits | 0 | 0
FHLB advances | 0 | 0
Significant Other Observable Inputs |  |
Financial assets |  |
Securities held-to-maturity | 27,986 | 29,115
Loans, net | 0 | 0
Financial Liabilities |  |
Time deposits | 513,745 | 408,904
FHLB advances | 403,841 | 318,688
Significant Unobservable Inputs |  |
Financial assets |  |
Securities held-to-maturity | 0 | 0
Loans, net | 1,349,811 | 1,332,882
Financial Liabilities |  |
Time deposits | 0 | 0
FHLB advances | $ 0 | $ 0

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