FAIR VALUE - Significant Unobservable Inputs (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) item $ / loan	Dec. 31, 2021 USD ($) item $ / loan
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Individually assessed loans | $		$ 1,820
Other real estate owned | $		718
Commitments to originate real estate loans for sale | $		51
Mortgage servicing rights | $	$ 1,844	810
Contingent consideration | $	$ (3,500)	$ (3,100)
Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Contingent consideration, Measurement Input [Extensible List]	Weighted Average Discount Rate	Weighted Average Discount Rate
Fair Value of Collateral | Estimated Cost of Disposal/Market Adjustment
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Individually assessed loans, Valuation Technique [Extensible List]		Fair Value of Collateral
Individually assessed loans, Measurement Input [Extensible List]		us-gaap:MeasurementInputCostToSellMember
Other real estate owned, Valuation Technique [Extensible List]	Fair Value of Collateral	Fair Value of Collateral
Other real estate owned, Measurement Input [Extensible List]	us-gaap:MeasurementInputCostToSellMember	us-gaap:MeasurementInputCostToSellMember
Discounted Cash Flow | Embedded Servicing Value
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Commitments to originate real estate loans for sale, Valuation Technique [Extensible List]	Discounted Cash Flow	Discounted Cash Flow
Commitments to originate real estate loans for sale, Measurement Input [Extensible List]	Embedded Servicing Value	Embedded Servicing Value
Discounted Cash Flow | Weighted Average Constant Prepayment Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, Valuation Technique [Extensible List]	Discounted Cash Flow	Discounted Cash Flow
Mortgage servicing rights, Measurement Input [Extensible List]	Weighted Average Constant Prepayment Rate	Weighted Average Constant Prepayment Rate
Discounted Cash Flow | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, Measurement Input [Extensible List]	Weighted Average Discount Rate	Weighted Average Discount Rate
Contingent consideration, Valuation Technique [Extensible List]	Discounted Cash Flow	Discounted Cash Flow
Discounted Cash Flow | Adequate Compensation
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, Measurement Input [Extensible List]	Adequate Compensation	Adequate Compensation
Discounted Cash Flow | Probability adjusted level of retained revenue
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Contingent consideration, Measurement Input [Extensible List]	Probability adjusted level of retained revenue	Probability adjusted level of retained revenue
Minimum | Fair Value of Collateral | Estimated Cost of Disposal/Market Adjustment
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Other real estate owned, measurement input	23.2
Maximum | Fair Value of Collateral | Estimated Cost of Disposal/Market Adjustment
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Other real estate owned, measurement input	73.5
Level 3
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Other real estate owned | $	$ 527
Commitments to originate real estate loans for sale | $	$ (32)
Level 3 | Discounted Cash Flow | Embedded Servicing Value
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Commitments to originate real estate loans for sale, measurement input	1.0	1.0
Level 3 | Discounted Cash Flow | Adequate Compensation
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input | $ / loan	7	7
Level 3 | Minimum | Fair Value of Collateral | Estimated Cost of Disposal/Market Adjustment
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Individually assessed loans, measurement input		9.0
Other real estate owned, measurement input	23.2	31.8
Level 3 | Minimum | Discounted Cash Flow | Weighted Average Constant Prepayment Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input	3.5	6.4
Level 3 | Minimum | Discounted Cash Flow | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input	4.6	2.3
Contingent consideration, measurement input	4.4	1.4
Level 3 | Minimum | Discounted Cash Flow | Probability adjusted level of retained revenue
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Contingent consideration, measurement input 2 | $	$ 3,300	$ 3,000
Level 3 | Maximum | Fair Value of Collateral | Estimated Cost of Disposal/Market Adjustment
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Individually assessed loans, measurement input		43.1
Other real estate owned, measurement input	73.5	42.3
Level 3 | Maximum | Discounted Cash Flow | Weighted Average Constant Prepayment Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input	4.1	15.2
Level 3 | Maximum | Discounted Cash Flow | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input	4.8	2.7
Contingent consideration, measurement input	4.6	1.7
Level 3 | Maximum | Discounted Cash Flow | Probability adjusted level of retained revenue
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Contingent consideration, measurement input 2 | $	$ 5,400	$ 5,800
Level 3 | Weighted Average | Fair Value of Collateral | Estimated Cost of Disposal/Market Adjustment
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Individually assessed loans, measurement input		43.1
Other real estate owned, measurement input	39.9	33.3
Level 3 | Weighted Average | Discounted Cash Flow | Weighted Average Constant Prepayment Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input	3.6	14.0
Level 3 | Weighted Average | Discounted Cash Flow | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input	4.8	2.6
Contingent consideration, measurement input	4.5	1.5