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LEASES (Tables) | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Lease, Cost [Table Text Block] | The following table provides information related to the Company's lease costs for the periods indicated:
| Years Ended December 31
| 2021 |  | 2020 |  | 2019
| (Dollars in thousands)
Operating lease costs (1) | $ | 14,550 |  |  | $ | 16,881 |  |  | $ | 10,718 |
Short-term lease costs | 23 |  |  | 16 |  |  | 116 |
Variable lease costs | — |  |  | — |  | —
Total lease costs | $ | 14,573 |  |  | $ | 16,897 |  |  | $ | 10,834 |
Weighted-average remaining lease term - operating leases | 5.72 years |  | 5.59 years |  | 6.43 years
Weighted-average discount rate - operating leases | 1.97 | % |  | 2.13 | % |  | 2.75 | %
(1) Operating lease cost for the years ended December 31, 2021 and 2020, respectively, is inclusive of impairment charges recognized by the Company in relation to branch closure decisions made during each year.
Lessee, Operating Lease, Liability, Maturity [Table Text Block] | The following table sets forth the undiscounted cash flows of base rent related to operating leases outstanding at December 31, 2021 with payments scheduled over the next five years and thereafter, including a reconciliation to the operating lease liability recognized in the Company's Consolidated Balance Sheet in other liabilities:
| (Dollars in thousands)
2022 | $ | 16,288 |
2023 | 12,349 |
2024 | 10,585 |
2025 | 9,406 |
2026 | 7,028 |
Thereafter | 12,038 |
Total minimum lease payments (1) | 67,694 |
Less: amount representing interest | 3,786 |
Present value of future minimum lease payments | $ | 63,908 |
(1) These amounts are inclusive of termination payments associated with branch closure decisions made during 2021.

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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