Annual report pursuant to Section 13 and 15(d)

Income Tax - Additional Information (Detail)

v3.3.1.900
Income Tax - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Holiday [Line Items]                      
Income tax (expense) benefit $ 41,000 $ 24,000 $ 76,000 $ (23,000) $ 189,000 $ 607,000 $ (830,000) $ 60,000 $ 118,000 $ 26,000 $ (251,000)
Net deferred tax liabilities 0       0       0 0  
Deferred tax assets, operating loss carryforwards, subject to expiration 23,000,000               $ 23,000,000    
State net operating loss carryforward expiration period                 2034    
Federal net operating loss carryforward expiration period                 2034    
Income tax examination, description                 We have no examinations in progress, none are expected at this time, and years 2012 through 2014 are open.    
Uncertain tax positions 0       0       $ 0 0  
Accrued interest and penalties $ 0       $ 0       0 0  
Interest and penalties recognized during the period                 $ 0 $ 0 0
Federal Income Tax [Member]                      
Income Tax Holiday [Line Items]                      
Dividends payable, date declared 2016-01       2015-01       2016-01 2015-01  
Dividend payable, date to be paid                 Dec. 30, 2015 Dec. 19, 2014  
TRS [Member]                      
Income Tax Holiday [Line Items]                      
Income tax (expense) benefit                 $ 0 $ 0 $ 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                 (1.00%) 0.00%  
Combined statutory tax rate                 40.00% 40.00%  
Release of valuation allowance                 $ 2,000,000 $ 2,500,000  
Net deferred tax liabilities $ 0       $ 0       $ 0 0  
Additional Paid-in Capital [Member] | TRS [Member]                      
Income Tax Holiday [Line Items]                      
Tax impact on additional paid in capital         $ 1,900,000         $ 1,900,000