FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Overnight borrowings with FHLB		$ 15,000
Unused commitments from FHLB	$ 1,700,000
Unused short-term or overnight borrowings from correspondent banks	22,000
Unused short-term or overnight borrowings from FRB	1,000,000
Borrowings from the federal reserve’s PPPLF	$ 83,586	177,086
Paycheck protection program liquidity facility interest rate	0.35%
Paycheck protection program liquidity facility term	2 years
Prepaid FHLB advances		105,000
FHLB prepayment penalty		4,800
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Notional amount	$ 15,000
FHLB advance	15,000
Federal Reserve Bank of New York [Member]
Debt Instrument [Line Items]
Overnight borrowings with FHLB	$ 0	$ 0

Federal home loan bank prepayment penalty.

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Amount of unused borrowing capacity under the short-term or overnight borrowings financing arrangement with correspondent banks.

+ References

No definition available.

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Amount of unused borrowing capacity under the short-term or overnight borrowings financing arrangement with Federal Reserve Bank.

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Paycheck protection program liquidity facility.

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Paycheck protection program liquidity facility interest rate.

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Paycheck protection program liquidity facility term.

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Prepaid federal home loan bank advances.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

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The maximum balance outstanding at any month end during the period as of the Balance Sheet date.

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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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