Earnings and Dividends Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table summarizes the average number of common shares and the net income used in the calculation of basic and diluted earnings per common share (in thousands, except share and per share amounts):

	Three Months Ended
	March 31,
	2020		2019
Net income attributable to common stockholders	$	61,023	$	35,679
BASIC:
Weighted average common shares outstanding	44,613,593		42,825,824
DILUTED:
Weighted average common shares outstanding	44,613,593		42,825,824
Stock options	4,546		75,695
Convertible subordinated debentures	—		223,513
Weighted average dilutive common shares outstanding	44,618,139		43,125,032
Net income attributable to common stockholders - basic	$	1.37	$	0.83
Net income attributable to common stockholders - diluted	$	1.37	$	0.83
Incremental anti-dilutive shares excluded:
Net share effect of stock options with an exercise price in excess of the average market price for our common shares	305,862		17,415
Regular dividends declared per common share	$	1.1025	$	1.05