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Earnings and Dividends Per Share (Tables)
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table summarizes the average number of common shares and the net income used in the calculation of basic and diluted earnings per common share ($ in thousands, except share and per share amounts):

Three Months Ended
March 31,
20222021
Net income attributable to common stockholders$8,399 $35,332 
BASIC:
Weighted average common shares outstanding45,850,686 45,305,087 
DILUTED:
Weighted average common shares outstanding45,850,686 45,305,087 
Stock options375 10,873 
Convertible senior notes— 41,813 
Weighted average dilutive common shares outstanding45,851,061 45,357,773 
Net income attributable to common stockholders - basic$0.18 $0.78 
Net income attributable to common stockholders - diluted$0.18 $0.78 
Incremental anti-dilutive shares excluded:
Net share effect of stock options with an exercise price in excess of the average market price for our common shares481,068 216,762 
Regular dividends declared per common share$0.90 $1.1025