Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted

The computation of per share earnings is as follows: 

(In thousands, except per share data)	2019		2018		2017
Net income available to common stockholders	$	237,828	$	215,713	$	92,940
Average common shares outstanding	98,351		92,268		69,385
Average potential dilutive common shares	446		562		468
Average diluted common shares	98,797		92,830		69,853
Basic earnings per share	$	2.42	$	2.34	$	1.34
Diluted earnings per share	$	2.41	$	2.32	$	1.33