Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings (Loss) Per Common Share

The following is a computation of basic and diluted earnings (loss) per common share for the years ended December 31, 2022, 2021, and 2020:

(in thousands, except per share data)	2022		2021		2020
Net income (loss)	$	336,752	$	420,300	$	(1,523,420)
Weighted average number of common shares outstanding - basic	216,980		219,032		220,218
Effect of potentially dilutive common shares (1)	423		549		—
Weighted average number of common shares outstanding - diluted	217,403		219,581		220,218
Earnings (loss) per common share:
Basic	$	1.55	$	1.92	$	(6.92)
Diluted	$	1.55	$	1.91	$	(6.92)

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

There were 417,000, 1,000 and 1.2 million weighted average outstanding restricted shares that were not included in the computation of diluted earnings per common share because their effect would be anti-dilutive for the years ended December 31, 2022, 2021, and 2020, respectively.