Three Months Ended

Nine Months Ended

September 30,

September 30,

($ in thousands, except per share data)

2023

2022

2023

2022

Numerator:

Net income to common shareholders

$

97,738

$

135,389

$

341,999

$

380,302

Net income allocated to participating securities - basic and diluted

992

2,014

3,574

5,776

Net income allocated to common shareholders - basic and diluted

$

96,746

$

133,375

$

338,425

$

374,526

Denominator:

Weighted-average common shares - basic

86,131

85,706

$

86,082

$

86,141

Dilutive potential common shares

306

314

286

298

Weighted-average common shares - diluted

86,437

86,020

$

86,368

$

86,439

Earnings per common share:

Basic

$

1.12

$

1.56

$

3.93

$

4.35

Diluted

$

1.12

$

1.55

$

3.92

$

4.33