Income (loss) per Common Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income (Loss) Per Common Share

The following table sets forth the computation of basic and diluted net income (loss) per common share:

	2018			2017			2016
	(Dollars In Thousands, Except Per Share Amounts)
Numerator:
Net income (loss):	$	(72,226	)	$	(29,217	)	$	112,168
Adjustments for basic net income (loss) per common    share:
Dividend requirements on Series E Redeemable Preferred		(26,840	)		(23,443	)		(27,761	)
Dividend requirements on Series B Preferred		(240	)		(240	)		(240	)
Dividend requirements on Series D Preferred		(60	)		(60	)		(60	)
Accretion of Series E Redeemable Preferred		(3,375	)		(6,487	)		(18,256	)
Net income attributable to participating securities		—			—			(1,091	)
Numerator for basic and dilutive net income (loss) per    common share - net income (loss) attributable to    common stockholders	$	(102,741	)	$	(59,447	)	$	64,760
Denominator:
Denominator for basic and dilutive net income (loss)    per common share - adjusted weighted-average    shares (1)		27,490,717			27,250,876			25,454,311
Basic and dilutive net income (loss) per common share:
Loss from continuing operations	$	(3.74	)	$	(2.22	)	$	(5.28	)
Income from discontinued operations, net of taxes		—			0.04			7.82
Net income (loss)	$	(3.74	)	$	(2.18	)	$	2.54

(1) All periods exclude the weighted-average shares of unvested restricted stock that are contingently returnable.

Antidilutive Securities Excluded from Computation of Diluted Net Income (Loss) Per Common Share

The following weighted-average shares of securities were not included in the computation of diluted net income (loss) per common share as their effect would have been antidilutive:

	2018		2017		2016
Convertible preferred stocks		916,666		916,666		916,666
Restricted stock and stock units		1,183,622		1,187,525		908,568
Series E redeemable preferred stock - embedded derivative		303,646		303,646		412,869
Stock options		175,454		215,067		361,168
		2,579,388		2,622,904		2,599,271