v3.23.3
Summary of Significant Accounting Policies - Deferred Revenue (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Deferred Revenue Arrangement [Line Items]      
Deferred revenue $ 1,154,784 $ 1,095,973 $ 873,600
Under Customer Agreements:      
Deferred Revenue Arrangement [Line Items]      
Deferred revenue 935,098 906,097  
Under Customer Agreements: | Payments received, net      
Deferred Revenue Arrangement [Line Items]      
Deferred revenue 864,546 840,771  
Under Customer Agreements: | Financing component balance      
Deferred Revenue Arrangement [Line Items]      
Deferred revenue 70,552 65,326  
Under SREC contracts:      
Deferred Revenue Arrangement [Line Items]      
Deferred revenue 219,686 189,876  
Under SREC contracts: | Payments received, net      
Deferred Revenue Arrangement [Line Items]      
Deferred revenue 207,908 179,416  
Under SREC contracts: | Financing component balance      
Deferred Revenue Arrangement [Line Items]      
Deferred revenue $ 11,778 $ 10,460