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COMMITMENTS AND CONTINGENCIES - Deposits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Concentration Risk [Line Items]
Deposits	$ 1,838,397	$ 1,701,183
Top Ten Depositors [Member]
Concentration Risk [Line Items]
Deposits	$ 170,100	$ 157,000
Deposits [Member] | Top Ten Depositors [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	9.30%	9.20%

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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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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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