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Earnings Per Share
 9 Months Ended
Sep. 30, 2024
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The following table sets forth the computation of basic and diluted income (loss) per common share, respectively:

Three Months EndedNine Months Ended
September 30,September 30,
($ in thousands, except per share information)2024202320242023
Numerator:
Net income (loss) attributable to common shareholders
$78,250 $43,583 $366,509 $131,862 
Denominator:
Weighted average common shares outstanding - basic101,934 103,704 106,240 103,711 
Effect of dilutive securities4,425 1,720 3,986 1,260 
Weighted average common shares outstanding - diluted106,359 105,424 110,226 104,971 
Basic income (loss) per share attributable to
common shareholders		$0.77 $0.42 $3.45 $1.27 
Diluted income (loss) per share attributable to
common shareholders		$0.74 $0.41 $3.33 $1.26 

For each of the three and nine months ended September 30, 2024, there were no common shares available for issuance under share-based compensation plans that were excluded from the calculation of diluted income (loss) per share because the assumed exercise or issuance of such shares would be anti-dilutive.

For each of the three and nine months ended September 30, 2023, there were no common shares available for issuance under share-based compensation plans that were excluded from the calculation of diluted income (loss) per share because the assumed exercise or issuance of such shares would be anti-dilutive.