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Equity and dividends (Tables) | 9 Months Ended
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Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of shares issuance activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Equity-classified awards | ​ | Liability-classified awards
​ | ​ | PSUs | ​ | PSUs with Market Conditions | ​ | RSUs | ​ | DSUs
​ | ​ | ​ | ​ | WA grant | ​ | ​ | ​ | WA grant | ​ | ​ | ​ | WA grant | ​ | ​ | ​ | ​ | WA grant
​ | ​ | ​ | ​ | date fair | ​ | ​ | ​ | date fair | ​ | ​ | ​ | date fair | ​ | ​ | ​ | ​ | date fair
​ |  | Number |  | value |  | Number |  | value |  | Number |  | value |  | ​ | Number |  | value
Outstanding at December 31, 2021 |  | 523,618 | ​ | $ | 45.90 | ​ | 88,305 | ​ | $ | 65.45 | ​ | 79,112 | ​ | $ | 54.96 |  | ​ | 156,589 | ​ | $ | 35.28
Granted |  | 230,122 | ​ |  | 58.68 | ​ | 14,574 | ​ |  | 69.92 | ​ | 34,135 | ​ |  | 57.70 |  | ​ | 16,182 | ​ |  | 59.57
Vested and settled |  | (93,241) | ​ |  | 36.42 | ​ | — | ​ |  | — | ​ | (27,850) | ​ |  | 44.02 |  | ​ | — | ​ |  | —
Forfeited |  | (3,503) | ​ |  | 50.97 | ​ | — | ​ |  | — | ​ | (6,070) | ​ |  | 59.67 |  | ​ | — | ​ |  | —
Outstanding at September 30, 2022 |  | 656,996 | ​ | $ | 51.70 | ​ | 102,879 | ​ | $ | 66.08 | ​ | 79,327 | ​ | $ | 59.62 |  | ​ | 172,771 | ​ | $ | 37.55
Schedule of Quarterly Dividends Declared and Paid | The Company declared and paid the following dividends during the nine months ended September 30, 2022 and 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Dividend |  | ​ |  | Total |  | ​
​ | ​ | Declaration date | ​ | per share | ​ | Record date | ​ | dividends | ​ | Payment date
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Nine months ended September 30, 2022: |  |  |  | ​ |  |  |  |  | ​ |  |  |
Fourth quarter 2021 | ​ | January 21, 2022 | ​ | $ | 0.2500 | ​ | February 11, 2022 | ​ | $ | 27,659 | ​ | March 4, 2022
First quarter 2022 | ​ | May 6, 2022 | ​ | ​ | 0.2500 | ​ | May 27, 2022 | ​ | ​ | 27,693 | ​ | June 17, 2022
Second quarter 2022 | ​ | August 3, 2022 | ​ | ​ | 0.2700 | ​ | August 24, 2022 | ​ | ​ | 29,932 | ​ | September 14, 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Nine months ended September 30, 2021: | ​ |  | ​ |  |  | ​ |  | ​ |  |  | ​ |
Fourth quarter 2020 | ​ | January 22, 2021 | ​ | $ | 0.2200 | ​ | February 12, 2021 | ​ | $ | 24,181 | ​ | March 5, 2021
First quarter 2021 | ​ | May 7, 2021 | ​ | ​ | 0.2200 | ​ | May 26, 2021 | ​ | ​ | 24,279 | ​ | June 16, 2021
Second quarter 2021 | ​ | August 4, 2021 | ​ | ​ | 0.2500 | ​ | August 25, 2021 | ​ | ​ | 27,607 | ​ | September 15, 2021
Shares issued for business combination [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of shares issuance activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Rouse | ​ | SmartEquip | ​ | Total
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted average
​ | Common | ​ | Fair value | ​ | Common | ​ | Fair value |  | Common | ​ | fair value
​ | shares | ​ | per common | ​ | shares | ​ | per common |  | shares | ​ | per common
​ | issued |  | shares |  | issued |  | shares |  | issued |  | shares
Outstanding, December 31, 2021 | 189,665 | ​ | $ | 71.09 | ​ | 63,971 | ​ | $ | 68.39 | ​ | 253,636 | ​ | $ | 70.41
Granted | — | ​ | ​ | — | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Vested | (32,452) | ​ | ​ | 71.09 | ​ | — | ​ | ​ | — | ​ | (32,452) | ​ | ​ | 71.09
Forfeited | — | ​ | ​ | — | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Outstanding, September 30, 2022 | 157,213 | ​ | $ | 71.09 | ​ | 63,971 | ​ | $ | 68.39 | ​ | 221,184 | ​ | $ | 70.31
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, December 31, 2020 | 312,193 | ​ | $ | 71.09 | ​ | — | ​ | $ | — | ​ | 312,193 | ​ | $ | 71.09
Granted | — | ​ | ​ | — | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Vested | — | ​ | ​ | — | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Forfeited | (55,510) | ​ | ​ | 71.09 | ​ | — | ​ | ​ | — | ​ | (55,510) | ​ | ​ | 71.09
Outstanding, September 30, 2021 | 256,683 | ​ | $ | 71.09 | ​ | — | ​ | $ | — | ​ | 256,683 | ​ | $ | 71.09
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

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