LOANS AND ALLOWANCE FOR LOAN LOSSES (Narrative) (Details) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Nonaccrual loans, interest income | $ 0 | $ 0 | $ 0 | $ 0 | |
| Troubled Debt Restructurings (TDRs) | 18,700,000 | 18,700,000 | $ 20,616,000 | ||
| Total Allowance for credit losses | 101,798,000 | 101,798,000 | 160,540,000 | ||
| Troubled Debt Restructurings [Member] | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Troubled Debt Restructurings (TDRs) | 18,700,000 | 18,700,000 | 20,600,000 | ||
| Total Allowance for credit losses | $ 854,000 | $ 854,000 | 1,600,000 | ||
| COVID-19 | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Loans under modified terms | $ 146,100,000 | ||||
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- Definition 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. No definition available.
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of financing receivable modified as troubled debt restructuring. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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