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Dividends | 12 Months Ended
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Dec. 31, 2021
Dividends. |
Dividends | 13. Dividends Interim dividends declared on Class A common stock and redeemable preferred stock for each quarter of the respective years ended December 31, 2021 and 2020 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2021 |  | 2020
First Quarter | ​ | $ | 0.085 | ​ | $ | 0.085
Second Quarter | ​ |  | 0.085 | ​ |  | 0.085
Third Quarter | ​ |  | 0.085 | ​ |  | 0.085
Fourth Quarter | ​ |  | 0.085 | ​ |  | 0.085
​ | ​ | $ | 0.34 | ​ | $ | 0.34
​

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