FAIR VALUE - Significant Unobservable Inputs (Details)	12 Months Ended
	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Individually assessed loans	$ 1,820,000
Other real estate owned	718,000
Commitments to originate real estate loans for sale	51,000
Fair value of MSRs at end of period	810,000
Contingent consideration	$ (3,100,000)	$ (3,500,000)
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
Contingent consideration, Measurement Input [Extensible List]	Weighted Average Discount Rate	Weighted Average Discount Rate
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
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
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
Mortgage servicing rights, Measurement Input [Extensible List]	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
Contingent consideration, Valuation Technique [Extensible List]	Discounted Cash Flow	Discounted Cash Flow
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		87.8
Significant Unobservable Inputs, Level 3
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Other real estate owned		$ 619,000
Commitments to originate real estate loans for sale		$ 6,000
Significant Unobservable Inputs, Level 3 | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Mortgage servicing rights, measurement input	7
Contingent consideration, measurement input	1.5
Significant Unobservable Inputs, 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
Significant Unobservable Inputs, Level 3 | Minimum | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Contingent consideration, measurement input	1.4	4.4
Significant Unobservable Inputs, Level 3 | Minimum | 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	$ 3,000,000.0	$ 3,300,000
Significant Unobservable Inputs, 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
Significant Unobservable Inputs, 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	6.4
Significant Unobservable Inputs, 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	2.3
Significant Unobservable Inputs, Level 3 | Maximum | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Contingent consideration, measurement input	1.7	4.6
Significant Unobservable Inputs, Level 3 | Maximum | 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	$ 5,800,000	$ 5,400,000
Significant Unobservable Inputs, 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	42.3	87.8
Contingent consideration, measurement input 2	$ 31.8
Significant Unobservable Inputs, 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	15.2
Significant Unobservable Inputs, 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	2.7
Significant Unobservable Inputs, Level 3 | Weighted Average | Weighted Average Discount Rate
Significant Unobservable Inputs used in determination of Fair Value of Assets Classified as Level 3
Contingent consideration, measurement input		4.5
Significant Unobservable Inputs, 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	33.3	44.6
Significant Unobservable Inputs, 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	14.0
Significant Unobservable Inputs, 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	2.6