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LOAN SERVICING - Mortgage Servicing Rights (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
LOANS AND THE ALLOWANCE FOR LOAN LOSSES |  |  |
Beginning balance | $ 5,934 |  |
Ending balance | 7,629 |  | $ 5,934
Mortgage Loans |  |  |
LOANS AND THE ALLOWANCE FOR LOAN LOSSES |  |  |
Beginning balance | 5,934 | $ 8,518 | 8,518
Capitalized servicing rights | 397 | 214 |
Attributable to payments and principal reductions | (467) | (403) |
Attributable to changes in valuation inputs and assumptions | 1,765 | (1,982) |
Total fair value adjustment | 1,298 | (2,385) |
Ending balance | 7,629 | $ 6,347 | 5,934
Mortgage loans serviced for others | $ 1,077,291 |  | $ 1,090,219

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- Definition Amount of decrease from changes in fair value related to payments and principal reductions for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References No definition available. + Details
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- Definition Fair value of an asset serviced to other not separately reported net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References No definition available. + Details
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- Definition The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746 + Details
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