Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following is a reconciliation of basic and diluted earnings per share:

In thousands, except shares and per-share data	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Numerator - Basic
Net income (loss) attributable to common stockholders	$	14,058		$	(21,685	)	$	(35,394	)	$	(63,636	)
Less: allocation to participating securities	(5,494		)	—			—			—
Net income (loss) allocated to common stockholders - basic	$	8,564		$	(21,685	)	$	(35,394	)	$	(63,636	)
Numerator - Diluted
Net income (loss) allocated to common stockholders - basic	$	8,564		$	(21,685	)	$	(35,394	)	$	(63,636	)
Restricted stock unit compensation gain, net of tax	(80		)	—			—			—
Net income (loss) allocated to common stockholders - diluted	$	8,484		$	(21,685	)	$	(35,394	)	$	(63,636	)
Denominator
Weighted average number of common shares - basic	24,933,853			24,599,744			24,852,994			24,598,816
Restricted stock units converted under the treasury stock method	397,957			—			—			—
Weighted average number of common shares - diluted	25,331,810			24,599,744			24,852,994			24,598,816
Earnings per share
Basic	$	0.34		$	(0.88	)	$	(1.42	)	$	(2.59	)
Diluted	$	0.33		$	(0.88	)	$	(1.42	)	$	(2.59	)

Schedule of Potentially Dilute Earnings Per Share in Future Were Excluded in the Computation of Diluted Net (Loss) Income Per Share as They Were Anti-dilutive

The following weighted average securities could potentially dilute earnings per share for the periods indicated, but were excluded from the computation of diluted net income (loss) per share, as their effect would have been antidilutive:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018
Preferred stock	15,997,411	14,635,078	15,649,269	14,316,581
Warrants	760,000	760,000	760,000	760,000
Stock appreciation rights	1,010,000	1,017,500	1,010,000	901,108
Restricted stock units	—	1,037,209	1,457,701	890,744