Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common Share

The following is a computation of basic and diluted earnings per common share for the three and nine months ended September 30, 2022 and 2021: 

	Three Months Ended				Nine Months Ended
(in thousands, except per share data)	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
Net income	$	84,040	$	108,066	$	253,788	$	331,946
Weighted average number of common shares outstanding - basic	217,051		218,416		216,955		219,791
Effect of potentially dilutive common shares (1)	335		562		398		487
Weighted average number of common shares outstanding - diluted	217,386		218,978		217,353		220,278
Earnings per common share:
Basic	$	0.39	$	0.49	$	1.17	$	1.51
Diluted	$	0.39	$	0.49	$	1.17	$	1.51

(1)Represents the effect of the assumed vesting of non-participating restricted shares based on the treasury stock method.

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table represents the weighted average outstanding restricted shares that were not included in the computation of diluted earnings per share because their effect would be anti-dilutive for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended		Nine Months Ended
(in thousands)	September 30, 2022	September 30, 2021	September 30, 2022	September 30, 2021
Restricted stock awards	502	—	395	73