Nature of Operations and Basis of Presentation (Details) $ in Thousands, ft³ in Billions	3 Months Ended
Mar. 31, 2020 USD ($) segment	Jun. 28, 2019 USD ($) ft³
Error Corrections and Prior Period Adjustments Restatement
Number of primary business lines \| segment	4
Impairment of long lived assets	$ 4,400
Discontinued Operations, Disposed of by Sale \| Natural Gas Storage Assets
Error Corrections and Prior Period Adjustments Restatement
Natural gas storage (in cubic feet) \| ft³		50
Proceeds from sale of assets		$ 210,067

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 220
-Section 45
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration