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Financial Instruments - Credit Losses - Schedule of Activity in Allowance For Uncollectible Defaulted Notes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning balance $ 3,814 $ 5,106 $ 4,327 $ 4,923
Additions and other adjustments 134 97 (379) 280
Ending balance $ 3,948 $ 5,203 $ 3,948 $ 5,203