(Loss) Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Computation of Basic and Diluted (Loss) Earnings per Share under Two-Class Method

The following table sets forth the computation of basic and diluted (loss) earnings per share under the two-class method:

	2016			2015			2014
Numerator for basic and diluted (loss) earnings per share:
Net (loss) income	$	(80,127	)	$	(109,544	)	$	55,588
Effect of reallocating undistributed earnings of    participating securities		—			—			(376	)
Net (loss) income available under the two-class    method	$	(80,127	)	$	(109,544	)	$	55,212
Denominator:
Denominator for basic (loss) earnings per    share—weighted-average shares		24,377,839			22,999,318			22,946,395
Effect of dilutive potential common shares		—			—			—
Denominator for diluted (loss) earnings per    share—adjusted weighted-average shares		24,377,839			22,999,318			22,946,395
Basic (loss) earnings per share	$	(3.29	)	$	(4.76	)	$	2.41
Diluted (loss) earnings per share	$	(3.29	)	$	(4.76	)	$	2.41