Computation of Income (Loss) per Share - Computation of Income (Loss) per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Net loss from continuing operations	$ (16,973)	$ (5,723)	$ (34,602)	$ (12,910)
Net income from discontinued operations		1,560	85,301	2,931
Net income (loss)	$ (16,973)	$ (4,163)	$ 50,699	$ (9,979)
Denominator:
Basic weighted-average shares outstanding	16,432,241	16,399,241	16,417,108	16,383,175
Dilutive weighted-average shares outstanding	16,432,241	16,399,241	16,417,108	16,383,175
Basic and diluted loss per share from continuing operations	$ (1.03)	$ (0.35)	$ (2.11)	$ (0.79)
Basic and diluted income per share from discontinued operations		$ 0.10	$ 5.20	$ 0.18
Basic and diluted income (loss) per share	$ (1.03)	$ (0.25)	$ 3.09	$ (0.61)