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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Interest cost capitalized | $ 17,100,000 | $ 17,100,000
Uncertain tax positions | 0 |
Reserve for penalties and interest related to uncertain tax positions | 0 | 0
Bonds |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Debt issuance costs incurred | 0 | 4,000,000
Capitalized debt issuance costs | $ 11,100,000 | $ 11,800,000

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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References No definition available. + Details
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