XML 39 R23.htm IDEA: XBRL DOCUMENT v3.25.1
Derivative Instruments (Tables)
3 Months Ended
Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative Instruments The following table presents changes in the fair value of the Level 3 derivatives for the periods ended March 31, 2025 and 2024:
 For The Three Months Ended 
 March 31,
(dollars in thousands)20252024
Fair value at beginning of the period$(8,823)$(2,360)
Unrealized (losses) gains on purchase power contracts(4,271)(3,808)
Fair value at end of the period$(13,094)$(6,168)