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Common Stock (Details) - USD ($) | 3 Months Ended | 12 Months Ended | 243 Months Ended
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Common stock, outstanding (in shares) | 53,299,738 | 53,299,738 | 54,755,900 | 53,299,738
Dividend paid (in dollars per share) | $ 0.13 |  |  |
Stock repurchase, authorized amount (in US dollars) | $ 1,450,000,000 | $ 1,450,000,000 |  | $ 1,450,000,000
Number of shares repurchased (in shares) |  | 1,600,000 |  | 19,200,000
Stock repurchased (in US dollars) |  | $ 195,546,000 | $ 112,553,000 | $ 1,100,000,000
Remaining authorized repurchase amount (in US dollars) | $ 350,400,000 | $ 350,400,000 |  | $ 350,400,000

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