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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
QuarterlydividendsdeclaredTableTextBlock [Table Text Block] | Dividends The Board declared quarterly dividends as follows:
(amounts per share) | 2021 |  | 2020
First quarter | $ | 0.40 |  |  | $ | 0.40 |
Second quarter | 0.45 |  |  | 0.40 |
Third quarter | 0.45 |  |  | 0.40 |
Fourth quarter | 2.45 |  | (1) | 0.40 |

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- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration