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SUBORDINATED DEBT - Additional Information (Details) - Subordinated Debt [Member] - USD ($)	1 Months Ended
	Dec. 31, 2020	Dec. 31, 2017
Debt Instrument [Line Items]
Principal amount	$ 100,000,000.0	$ 35,000,000.0
Non-callable term	5 years	5 years
Notes maturity date	Dec. 22, 2030	Dec. 15, 2027
Fixed interest rate	3.50%	4.75%
LIBOR spread	3.26%	2.54%
Debt issuance costs	$ 1,900,000	$ 875,000

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Term of non-callable provision of debt.

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- Definition

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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