Income Taxes - Summary of Components of Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Components Of Income Tax Expense Benefit [Line Items]
Federal	$ 0	$ 0	$ 351
State and local	0	0	0
Current	0	0	351
Federal	0	0	0
State and local	0	0	0
Deferred	0	0	0
Total expense	0	0	351
Puerto Rico [Member]
Components Of Income Tax Expense Benefit [Line Items]
Book loss before income taxes - Puerto Rico	(9,919)	(19,738)	(20,835)
Current	673	0	0
Deferred	0	0	0
Total expense	$ 673	$ 0	$ 0

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.