Quarterly report pursuant to Section 13 or 15(d)

Organization (Details)

v3.19.2
Organization (Details)
6 Months Ended
Jun. 30, 2019
InvestmentFund
Operating Leased Assets [Line Items]  
Power purchase or lease agreement term 22 years
Number of types of investment funds used by the company 3
Minimum  
Operating Leased Assets [Line Items]  
Power purchase or lease agreement term 20 years
Maximum  
Operating Leased Assets [Line Items]  
Power purchase or lease agreement term 25 years