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PREMISES AND EQUIPMENT - Additional information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Initial Leases And Lease Modifications And Renewals |  |  |  |  |  | $ 9,500,000
Lease expense related to ATMs | $ 86,000 | $ 65,000 | $ 151,000 | $ 126,000 |  |
Weighted-average lease term |  |  | 9.7 years |  |  |
Operating Lease, Weighted Average Discount Rate, Percent | 3.43% |  | 3.43% |  |  |
Operating Lease, Expense | $ 394,000 | 400,000 | $ 768,000 | 785,000 |  |
Operating leases right of use asset | 8,163,000 |  | 8,163,000 |  | $ 8,536,000 |
Lease liability | 8,313,000 |  | 8,313,000 |  | $ 8,700,000 |
Income Recognized From Lessor Agreements | $ 290,000 | $ 271,000 | $ 580,000 | $ 570,000 |  |
Minimum |  |  |  |  |  |
Lessee Expected Lease Terms |  |  | P0Y3M18D |  |  |
Maximum |  |  |  |  |  |
Lessee Expected Lease Terms |  |  | P17Y4M24D |  |  |

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Weighted average discount rate for operating lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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