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GOODWILL AND OTHER INTANGIBLE ASSETS (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 86,069,000		$ 86,069,000		$ 86,069,000
Increase (decrease) in carrying amount of goodwill			0		0
Impairment of goodwill			0		0
Amortization of intangible assets	2,100,000	$ 2,500,000	6,431,000	$ 7,351,000
Banking Segment
Finite-Lived Intangible Assets [Line Items]
Goodwill	84,100,000		84,100,000		84,100,000
Wealth Management
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 2,000,000		$ 2,000,000		$ 2,000,000