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Financial Instruments - Schedule of Changes in Fair Value of Financial Assets and Liabilities Classified as Level 3 (Detail)
$ in Thousands
6 Months Ended
Jun. 30, 2023
USD ($)
Total realized and unrealized (gains) losses:  
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Revenues
Significant Unobservable Inputs (Level 3) [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Net Liabilities at beginning of period $ (980)
Total realized and unrealized (gains) losses:  
Included in earnings 414 [1]
Purchases, sales, issuances and settlements 566
Net Liabilities end of period $ 0
[1] Derivative instruments are reported in revenues as realized gain/loss and on a separately reported line item captioned unrealized gain/loss on derivative instruments.