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DERIVATIVE INSTRUMENTS - Amount and Market Value of Mortgage Banking Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Gain (loss) on derivatives			$ 240	$ (285)
Notional Amount Assets	$ 68,809		68,809		$ 74,850
Derivatives asset, fair values	4,668		4,668		7,632
Notional Amount Liability	68,809		68,809		74,850
Derivatives liability, fair values	4,898		4,898		8,102
Interest rate swaps on loans
Derivatives, Fair Value [Line Items]
Gain (loss) on derivatives	41	$ 3	240	$ (285)
Notional Amount Assets	63,514		63,514		67,840
Derivatives asset, fair values	4,495		4,495		7,304
Notional Amount Liability	63,514		63,514		67,840
Derivatives liability, fair values	4,739		4,739		7,789
Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount Assets	5,295		5,295		7,010
Derivatives asset, fair values	173		173		328
Notional Amount Liability	5,295		5,295		7,010
Derivatives liability, fair values	$ 159		$ 159		$ 313

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Nominal or face amount used to calculate payments on the derivative asset.

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