FAIR VALUE MEASUREMENTS - Unobservable Inputs Non-recurring (Details) - Non-recurring - Level 3 - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Individually evaluated loans	$ 15,388	$ 17,932
Capitalized servicing rights	7,127	5,263
Premises held for sale	327	226
Total	22,842	23,421
Quoted prices for similar loans in active markets
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Individually evaluated loans	10,903	12,127
Discount Cash Flows
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Individually evaluated loans	$ 4,485	$ 5,805
Impaired loans \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Loss severity	10.00%	10.00%
Appraised value	$ 80	$ 71
Cash flows	$ 4	$ 6
Discount rate	2.88%	2.88%
Impaired loans \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Loss severity	70.00%	70.00%
Appraised value	$ 1,175	$ 1,792
Cash flows	$ 925	$ 931
Discount rate	6.45%	9.50%
Capitalized servicing rights
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Constant prepayment rate (CPR)	7.10%	12.47%
Discount rate	9.54%	9.53%
Assets held for sale
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Premises held for sale	$ 327	$ 226
Selling Costs	6.00%	6.00%
Assets held for sale \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items}
Appraised value	$ 347	$ 240

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Fair Value Inputs, Cash Flow

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Fair Value Inputs, Selling Costs

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of assets classified as held for sale.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

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Percentage of contractually collectible principal associated with a financial asset expected not to be collected due to default by the borrower.

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Estimated rate of prepayments of principal on servicing assets and servicing liabilities.

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