Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.21.2
Leases - Additional Information (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
project
Jun. 30, 2020
USD ($)
Jul. 31, 2021
USD ($)
Mar. 22, 2021
USD ($)
Dec. 31, 2020
USD ($)
Aug. 31, 2018
USD ($)
Lessee, Lease, Description [Line Items]                
Commitment, amount $ 3,000,000   $ 3,000,000          
Maximum combined funding amount           $ 350,000,000 $ 4,500,000 $ 150,000,000
Net amortization expense 57,000 $ 57,000 $ 114,000 $ 112,000        
Subsequent Event                
Lessee, Lease, Description [Line Items]                
Maximum combined funding amount         $ 23,559,000      
Solar Photovoltaic Projects                
Lessee, Lease, Description [Line Items]                
Solar PV projects sold | project     2          
Proceeds from sale-leaseback financings     $ 26,820,000          
Solar Photovoltaic Projects | Revolving Credit Facility | Line of Credit                
Lessee, Lease, Description [Line Items]                
Available funding under lending commitment $ 284,885,000   $ 284,885,000