XML 83 R69.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Fair Value - Schedule of Activity For Energy Commodity Derivative Assets (Liabilities) Measured At Fair Value and Equity Investments Using Significant Unobservable Inputs (Level 3) (Details) - Level 3 [Member] - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Fair Value Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance $ 42,004 $ 36,550
Included in regulatory assets/liabilities 888 6,783
Recognized in net income $ 630 $ (2,637)
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Purchases and debt conversions $ 945 $ 2,367
Settlements (41) (111)
Other   (3,000)
Ending Balance 44,426 39,952
Equity Investment [Member]    
Fair Value Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 50,254 54,284
Recognized in net income $ 630 $ (2,637)
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Purchases and debt conversions $ 945 $ 2,367
Other   (3,000)
Ending Balance 51,829 51,014
Natural Gas Exchange Agreements [Member]    
Fair Value Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance [1] (8,250) (17,734)
Included in regulatory assets/liabilities [1] 888 6,783
Settlements [1] (41) (111)
Ending Balance [1] $ (7,403) $ (11,062)
[1] There were no purchases, issuances or transfers from other categories of any derivatives instruments during the periods presented in the table above.