MORTGAGE BANKING ACTIVITIES - OTHER INFORMATION RELATING TO MSRS (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2022	Dec. 31, 2021
MORTGAGE BANKING ACTIVITIES
Fair value of mortgage servicing rights portfolio	$ 17,592	$ 11,540
Monthly weighted average prepayment rate of unpaid principle balance (as percent)	125.00%	208.00%
Discount rate (as percent)	10.21%	10.15%
Weighted average foreclosure rate	0.13%	0.19%
Weighted average life in years	7 years 7 months 6 days	5 years 11 months 4 days

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

Weighted average life of financial assets and financial liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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