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EMPLOYEE BENEFIT PLANS - Asset Allocations (Details) - Pension Benefits | Dec. 31, 2022 | Dec. 31, 2021
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Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations (as a percent) | 100.00% | 100.00%
Fixed maturities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations (as a percent) | 46.40% | 47.20%
Equity securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations (as a percent) | 21.40% | 29.70%
Equity real estate |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations (as a percent) | 22.60% | 16.50%
Cash and short-term investments |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations (as a percent) | 4.00% | 2.50%
Other |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, actual plan asset allocations (as a percent) | 5.60% | 4.10%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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