Earnings and Dividends Per Share (Tables)

9 Months Ended

Sep. 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				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Net income attributable to common stockholders	$	30,814	$	42,595	$	105,327	$	147,986
BASIC:
Weighted average common shares outstanding	45,850,599		44,661,650		45,668,762		44,641,748
DILUTED:
Weighted average common shares outstanding	45,850,599		44,661,650		45,668,762		44,641,748
Stock options	825		753		6,391		1,766
Convertible senior notes	—		—		13,938		—
Weighted average dilutive common shares outstanding	45,851,424		44,662,403		45,689,091		44,643,514
Net income attributable to common stockholders - basic	$	0.67	$	0.95	$	2.31	$	3.31
Net income attributable to common stockholders - diluted	$	0.67	$	0.95	$	2.31	$	3.31
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	505,459		410,012		308,313		427,180
Regular dividends declared per common share	$	0.90	$	1.1025	$	2.9025	$	3.3075