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SUBORDINATED NOTES (Details) - USD ($)					3 Months Ended		9 Months Ended
	Aug. 15, 2021	Jun. 10, 2020	Aug. 16, 2016	Aug. 08, 2016	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Subordinated Borrowing [Line Items]
Public Offering And Sale Of Subordinated Notes			$ 75,000,000.0
Amortization of Debt Discount (Premium)					$ 146,000	$ 186,000	$ 512,000	$ 428,000
Subordinated Note Interest Rate		5.50%		5.25%
Subordinated Borrowing, Interest Rate							5.98%
Senior Subordinated Notes
Subordinated Borrowing [Line Items]
Public Offering And Sale Of Subordinated Notes		$ 75,000,000.0
Proceeds from Issuance of Senior Long-term Debt		73,500,000		$ 73,500,000
Payment of Financing and Stock Issuance Costs		$ 1,500,000		$ 1,500,000
Spread on variable rate		5.325%
Redemption price as percentage of aggregate principal balance	100.00%
Expected life of the notes		5 years		5 years
Aggregate principal amount	$ 75,000,000.0
Senior Subordinated Notes | 90-day LIBOR
Subordinated Borrowing [Line Items]
Spread on variable rate				4.087%

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stated interest rate of the subordinated debt.

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