Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.3.1.900
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Line Items]    
Deferred Tax Assets, Valuation Allowance $ 66,730 $ 50,567
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 23,700  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount 16,200  
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount 66,700  
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount 7,500  
Deferred Tax Liabilities, Net, Total 7,500  
Domestic Tax Authority [Member]    
Income Tax Disclosure [Line Items]    
Operating Loss Carryforwards 141,000  
Domestic Tax Authority [Member] | Additional Paid-in Capital [Member]    
Income Tax Disclosure [Line Items]    
Operating Loss Carryforwards 500  
State and Local Jurisdiction [Member]    
Income Tax Disclosure [Line Items]    
Operating Loss Carryforwards 100,500  
State and Local Jurisdiction [Member] | Additional Paid-in Capital [Member]    
Income Tax Disclosure [Line Items]    
Operating Loss Carryforwards $ 300