Capital Stock (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Schedule of earnings per share

Earnings per share for the years ended December 31, 2019, 2018 and 2017 respectively, are computed as follows:

	For the Year Ended
	December 31, 2019		December 31, 2018		December 31, 2017
	(dollars in thousands)
Numerator:
Net income available to common shareholders	$	340,847	$	368,440	$	491,184
Effect of dilutive securities:	—		—		—
Dilutive net income available to common shareholders	$	340,847	$	368,440	$	491,184
Denominator:
Weighted average basic shares	187,156,990		187,146,170		187,780,355
Effect of dilutive securities	1,249,454		602,692		506,965
Weighted average dilutive shares	188,406,444		187,748,862		188,287,320
Net income per average share attributable to common stockholders - Basic	$	1.82	$	1.97	$	2.62
Net income per average share attributable to common stockholders - Diluted	$	1.81	$	1.96	$	2.61