Earnings per common share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Computations of Basic Earnings Per Common Share

The computations of basic earnings per common share follow:

	Three Months Ended June 30						Six Months Ended June 30
	2022			2021			2022			2021
	(In thousands, except per share)
Income available to common shareholders:
Net income	$	217,522		$	458,069		$	579,696		$	905,318
Less: Preferred stock dividends		(24,941	)		(17,050	)		(46,706	)		(34,100	)
Net income available to common equity		192,581			441,019			532,990			871,218
Less: Income attributable to unvested stock-based    compensation awards		(345	)		(2,263	)		(1,076	)		(4,370	)
Net income available to common shareholders	$	192,236		$	438,756		$	531,914		$	866,848
Weighted-average shares outstanding:
Common shares outstanding (including common    stock issuable) and unvested stock-based    compensation awards		177,682			129,589			153,612			129,502
Less: Unvested stock-based compensation awards		(315	)		(918	)		(322	)		(898	)
Weighted-average shares outstanding		177,367			128,671			153,290			128,604
Basic earnings per common share	$	1.08		$	3.41		$	3.47		$	6.74

Computations of Diluted Earnings Per Common Share

The computations of diluted earnings per common share follow:

	Three Months Ended June 30						Six Months Ended June 30
	2022			2021			2022			2021
	(In thousands, except per share)
Net income available to common equity	$	192,581		$	441,019		$	532,990		$	871,218
Less: Income attributable to unvested stock-based    compensation awards		(345	)		(2,260	)		(1,074	)		(4,366	)
Net income available to common shareholders	$	192,236		$	438,759		$	531,916		$	866,852
Adjusted weighted-average shares outstanding:
Common and unvested stock-based compensation    awards		177,682			129,589			153,612			129,502
Less: Unvested stock-based compensation awards		(315	)		(918	)		(322	)		(898	)
Plus: Incremental shares from assumed conversion    of stock-based compensation awards and warrants    to purchase common stock		910			171			691			152
Adjusted weighted-average shares outstanding		178,277			128,842			153,981			128,756
Diluted earnings per common share	$	1.08		$	3.41		$	3.45		$	6.73