Annual report pursuant to Section 13 and 15(d)

Schedule of Components of Income Taxes (Detail)

v3.3.1.900
Schedule of Components of Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Components Of Income Tax Expense Benefit [Line Items]      
Income tax expense from continuing operations $ 1,219 $ 1,369 $ 25,974
Income tax (benefit) expense from discontinued operations   (150) 209
Income tax benefit from loss on disposal of discontinued operations     (1,463)
Total income tax expense 1,219 1,369 25,974
Adjustments      
Components Of Income Tax Expense Benefit [Line Items]      
Total income tax expense $ 1,219 $ 1,219 $ 24,720