v3.25.1
Leases - Schedule of Balance Sheet Impact of Leases (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Right-of-use assets—Finance leases    
Right-of-use assets $ 302,732 $ 302,732
Less: Accumulated provision for depreciation (284,735) (283,417)
Total finance lease assets $ 17,997 $ 19,315
Finance lease, right-of-use asset, statement of financial position Right-of-use assets Right-of-use assets
Lease liabilities—Finance leases    
Obligations under finance leases $ 33,173 $ 33,173
Long-term debt and finance leases due within one year 10,413 10,413
Total finance lease liabilities $ 43,586 $ 43,586
Finance lease, liability, current, statement of financial position Long-term debt and finance leases due within one year Long-term debt and finance leases due within one year
Right-of-use assets—Operating leases    
Electric plant in service, net $ 7,211 $ 7,723
Total operating lease assets $ 7,211 $ 7,723
Operating lease, right-of-use asset, statement of financial position In service In service
Lease liabilities—Operating leases    
Capitalization—Other $ 5,242 $ 5,715
Other current liabilities 1,915 1,954
Total operating lease liabilities $ 7,157 $ 7,669
Operating lease, liability, noncurrent, statement of financial position Other Other
Operating lease, liability, current, statement of financial position Other current liabilities Other current liabilities