XML 77 R67.htm IDEA: XBRL DOCUMENT v3.23.3
Other Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 144 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2031
Dec. 31, 2022
Dec. 31, 2020
Schedule of Other Assets [Line Items]              
Prepaid expenses, net of current portion $ 17,321   $ 17,321     $ 18,192  
Capital contributions $ 162 $ 0 $ 314 $ 48      
Minimum | Limited Partnerships              
Schedule of Other Assets [Line Items]              
Ownership percentage 3.00%   3.00%        
Maximum | Limited Partnerships              
Schedule of Other Assets [Line Items]              
Ownership percentage 5.00%   5.00%        
Forecast              
Schedule of Other Assets [Line Items]              
Capital contributions         $ 2,400    
Jack Welch Management Institute              
Schedule of Other Assets [Line Items]              
Commitment for future services under the perpetual license agreement             $ 25,300
Prepaid expenses, net of current portion $ 16,500   $ 16,500     $ 17,700  
Prepaid expense, amortization period     15 years