Quarterly report pursuant to Section 13 or 15(d)

Income Tax - Additional Information (Detail)

v2.4.0.8
Income Tax - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Sep. 30, 2014
TRS [Member]
Sep. 30, 2013
TRS [Member]
Sep. 30, 2014
TRS [Member]
Sep. 30, 2013
TRS [Member]
Mar. 31, 2014
Additional Paid-in Capital [Member]
TRS [Member]
Income Tax Holiday [Line Items]              
Tax impact on additional paid in capital             $ 1,900,000
Provision for income taxes     600,000        
Income tax benefit (expense) 607,000 (163,000)   0 200,000 0  
Effective income tax rate reconciliation, at federal statutory income tax rate, Percent         35.00%    
Effective income tax rate reconciliation, State and local income taxes, Percent         5.00%    
Effective tax rate     45.00%   3.00%    
Combined statutory tax rate 40.00%            
Deferred tax valuation allowance   $ 0     $ 2,100,000