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FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS - Additional Information (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Overnight borrowings with FHLB | $ 122,085 |
Unused commitments from FHLB | 1,800,000 |
Unused short-term or overnight borrowings from correspondent banks | 22,000 |
Unused short-term or overnight borrowings from FRB | 1,600,000 |
Federal Reserve Bank of New York [Member] |  |
Debt Instrument [Line Items] |  |
Overnight borrowings with FHLB | $ 122,100 | $ 0

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