MORTGAGE SERVICING RIGHTS (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
OTHER INTANGIBLE ASSETS
Income generated as a result of new mortgage servicing rights reported as gains on sale of loans			$ 1,626	$ 4,469
Mortgage Servicing Rights
OTHER INTANGIBLE ASSETS
Income generated as a result of new mortgage servicing rights reported as gains on sale of loans	$ 100	$ 200	600	900
Changes in other intangible assets
Balance, beginning of period			9,738	11,865
Additions			593	911
Amortization	(300)	(700)	(1,115)	(2,800)
Balance, end of period	9,216	9,976	9,216	9,976
Fair market value and key assumptions used in determining the fair market value
Fair market value, beginning of period			10,504	12,003
Fair market value, end of period	12,289	10,352	12,289	10,352
Gross carrying value, accumulated amortization and net carrying value related to intangible assets
Gross Carrying Value	72,843		72,843		$ 72,250
Accumulated Amortization	(63,627)		(63,627)		(62,512)
Other intangible assets	9,216	9,976	9,216	9,976	9,738
Estimated Amortization Expense
2022 (remainder)	287		287
2021	1,528		1,528
2022	1,380		1,380
2023	1,114		1,114
2024	904		904
2025	724		724
Thereafter	3,279		3,279
Other intangible assets	$ 9,216	$ 9,976	$ 9,216	$ 9,976	$ 9,738
Measurement Input, Discount Rate | Mortgage Servicing Rights
Fair market value and key assumptions used in determining the fair market value
Weighted average prepayment speed assumption	0.095	0.096	0.095	0.096
Measurement Input, Constant Prepayment Rate | Mortgage Servicing Rights
Fair market value and key assumptions used in determining the fair market value
Weighted average prepayment speed assumption	0.099	0.180	0.099	0.180