XML 56 R45.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Fair Value Measurements Financial Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Other investments in equity securities $ 1,718 $ 1,718
7% debentures    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt Instrument, Interest Rate, Stated Percentage 7.00% 7.00%
Reported Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash equivalents $ 339,779 $ 365,901
Other investments in equity securities 1,718 1,718
Reported Value Measurement | Series 2022-1 Class A-2-I Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 98,250 98,500
Reported Value Measurement | Series 2022-1 Class A-2-II Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 389,134 390,134
Reported Value Measurement | Series 2021-1 Class A-2-I Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 422,144 423,269
Reported Value Measurement | Series 2021-1 Class A-2-II Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 631,905 633,530
Reported Value Measurement | Series 2019-1 Class A-2-I Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 356,673 357,673
Reported Value Measurement | Series 2019-1 Class A-2-II Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 401,998 403,123
Reported Value Measurement | Series 2018-1 Class A-2-II Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 439,912 441,099
Reported Value Measurement | 7% debentures    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 48,405 48,237
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash equivalents 339,779 365,901
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Other investments in equity securities 1,718 1,718
Estimate of Fair Value Measurement | Series 2022-1 Class A-2-I Notes | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 93,449 92,289
Estimate of Fair Value Measurement | Series 2022-1 Class A-2-II Notes | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 354,571 370,577
Estimate of Fair Value Measurement | Series 2021-1 Class A-2-I Notes | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 367,544 362,572
Estimate of Fair Value Measurement | Series 2021-1 Class A-2-II Notes | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 530,592 530,581
Estimate of Fair Value Measurement | Series 2019-1 Class A-2-I Notes | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 341,960 341,606
Estimate of Fair Value Measurement | Series 2019-1 Class A-2-II Notes | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 376,793 374,058
Estimate of Fair Value Measurement | Series 2018-1 Class A-2-II Notes | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument 415,457 412,754
Estimate of Fair Value Measurement | 7% debentures | Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Debt instrument $ 49,813 $ 49,431