Other information (Details) $ / shares in Units, $ in Thousands |
Feb. 25, 2022
$ / shares
|
Jan. 17, 2022
USD ($)
Substation
MW
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
|---|---|---|---|---|---|
| Restricted Net Assets [Abstract] | |||||
| Restricted net assets | $ 326,000 | ||||
| Subsequent Events [Abstract] | |||||
| Investments accounted for using equity method | $ 294,581 | $ 116,614 | $ 139,925 | ||
| Subsequent Events [Member] | |||||
| Subsequent Events [Abstract] | |||||
| Dividend declaration date | Feb. 25, 2022 | ||||
| Dividend approved (in dollars per share) | $ / shares | $ 0.44 | ||||
| Dividend approved expected date to be paid | Mar. 25, 2022 | ||||
| Chile TL4 [Member] | Forecast [Member] | |||||
| Subsequent Events [Abstract] | |||||
| Investments accounted for using equity method | $ 8,000 | ||||
| Chile TL4 [Member] | Subsequent Events [Member] | |||||
| Subsequent Events [Abstract] | |||||
| Installed capacity | MW | 63 | ||||
| Number of substations | Substation | 2 | ||||
| Investments accounted for using equity method | $ 39,000 | ||||
| Contract life | 50 years |