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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
QuarterlydividendsdeclaredTableTextBlock [Table Text Block]
Dividends
The Board declared quarterly dividends as follows:
(amounts per share)20212020
First quarter$0.40 $0.40 
Second quarter0.45 0.40 
Third quarter0.45 0.40 
Fourth quarter2.45 
(1)
0.40