• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Income Taxes - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Line Items]      
Uncertain tax positions or unrecognized tax benefits   $ 0 $ 0
Accrued interest and penalty $ 0 $ 0 $ 0
Income taxes at statutory rate, percentage 21.00% 21.00% 35.00%
Income tax expense (benefit) $ 9,517,000 $ 9,177,000 $ (8,731,000)
Effective tax rate 26.40% 34.10% 55.90%
Derecognition of deferred tax assets   $ 1,825,000  
Disallowance of the deductibility dividends paid   1,887,000  
State net operating loss carryforwards   $ 0  
Illiquid Assets [Member]      
Income Tax Disclosure [Line Items]      
Percentage of mandatory one time tax 8.00%    
Cash and Cash Equivalents [Member]      
Income Tax Disclosure [Line Items]      
Percentage of mandatory one time tax 15.50%    
Minimum [Member]      
Income Tax Disclosure [Line Items]      
Percentage of shareholding by controlled foreign corporations and other specified foreign corporations   10.00%