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Business Combination (Tables) | 3 Months Ended
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Mar. 31, 2020
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] | The following table summarizes the estimated preliminary fair value of assets acquired and liabilities assumed as of March 31, 2020.
| Fair Value
Assets acquired: |
Utility plant, net | $ | 750,703 |
Nonutility plant | 848 |
Current assets | 42,673 |
Investments | 12,489 |
Regulatory assets and deferred charges, less current portion | 83,132 |
Other intangible assets | 17,181 |
Other assets | 2,592 |
Goodwill | 626,523 |
Total assets acquired | 1,536,141 |
Liabilities assumed: |
Long-term debt | 281,009 |
Current liabilities, including maturities of long-term debt | 125,772 |
Deferred income taxes | 107,789 |
Postretirement benefit plans | 31,789 |
Contributions in aid of construction and construction advances | 137,327 |
Other long-term liabilities | 10,607 |
Total liabilities assumed | 694,293 |
Assumed equity | $ | 841,848 |

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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. + References No definition available. + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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