XML 53 R40.htm IDEA: XBRL DOCUMENT v3.23.3
Fair Value Measurements - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]          
Transfers into level 3 $ 0 $ 0 $ 0 $ 0  
Transfers out of Level 3 $ 0 $ 0 $ 0 $ 0  
Level 1          
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]          
Marketable investment percentage 28.00%   28.00%   19.00%
Level 2          
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]          
Marketable investment percentage 72.00%   72.00%   81.00%
Senior Secured Notes          
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]          
Debt $ 10,000,000   $ 10,000,000    
Notes issued     10,000,000    
Senior Secured Notes | Level 1          
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]          
Debt 0   0    
Senior Secured Notes | Level 2          
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]          
Debt 0   0    
Senior Secured Notes | Level 3          
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]          
Debt $ 10,000,000   $ 10,000,000