Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share Basic And Diluted [Abstract]

Schedule of Reconciliation of the Numerators and Denominators of the Basic and Diluted Net Income Per Share Computations

The following table illustrates the reconciliation of the numerators and denominators of the basic and diluted net income per share computations for the three and nine months ended September 30, 2018 and 2017 (dollars in thousands, except per share amounts):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Net income (loss) available to common stockholders	$	37,704	$	29,687	$	95,355	$		(15,558	)
Shares outstanding:
Weighted average shares outstanding – basic		77,522,664		76,902,070		77,445,611			63,821,705
Effect of dilutive securities:
Stock options		93,530		128,696		125,861		N/A
RSUs		667,394		928,923		636,568		N/A
Weighted average shares outstanding – diluted (1)		78,283,588		77,959,689		78,208,040			63,821,705
Net income (loss) per common share attributable to common    stockholders – basic:	$	0.49	$	0.39	$	1.23	$		(0.24	)
Net income (loss) per common share attributable to common    stockholders – diluted:	$	0.48	$	0.38	$	1.22	$		(0.24	)

(1) Excluded from “Weighted average shares outstanding – diluted” are 85,977 stock options and 860,492 RSUs for the nine months ended September 30, 2017 as the inclusion of these shares would have an anti-dilutive effect.