Earnings (Loss) Per Common Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Computation of Earnings (Loss) Per Common Share

A summary of the information used in the computation of earnings (loss) per common share follows.

	Three Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands, except per share data)	2021		2020			2021		2020
Numerator:
Net income (loss) to common shareholders	$	88,718	$	(117,072	)	$	195,890	$	(228,105	)
Net dividends or income allocated to participating securities - basic and diluted		1,894		422			4,231		849
Net income (loss) allocated to common shareholders - basic and diluted	$	86,824	$	(117,494	)	$	191,659	$	(228,954	)
Denominator:
Weighted-average common shares - basic		86,814		86,301		$	86,783	$	86,744
Dilutive potential common shares		176		—			149		—
Weighted-average common shares - diluted		86,990		86,301		$	86,932	$	86,744
Earnings (loss) per common share:
Basic	$	1.00	$	(1.36	)	$	2.21	$	(2.64	)
Diluted	$	1.00	$	(1.36	)	$	2.20	$	(2.64	)