Earnings and Dividends Per Share (Tables)

6 Months Ended

Jun. 30, 2021

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				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Net income attributable to common stockholders	$	39,183	$	44,368	$	74,513	$	105,392
BASIC:
Weighted average common shares outstanding	45,850,599		44,650,002		45,577,843		44,631,797
DILUTED:
Weighted average common shares outstanding	45,850,599		44,650,002		45,577,843		44,631,797
Stock options	7,475		—		9,174		2,273
Convertible senior notes	—		—		20,907		—
Weighted average dilutive common shares outstanding	45,858,074		44,650,002		45,607,924		44,634,070
Net income attributable to common stockholders - basic	$	0.85	$	0.99	$	1.63	$	2.36
Net income attributable to common stockholders - diluted	$	0.85	$	0.99	$	1.63	$	2.36
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	290,998		610,367		248,223		439,962
Regular dividends declared per common share	$	0.90	$	1.1025	$	2.0025	$	2.205