• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Investments (Limited Partnership Investments) - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Schedule of Investments [Line Items]      
Recognized investment income (loss) $ 1,207,000 $ (3,244,000) $ (90,000)
Maximum exposure loss relating to VIE 2,102,000 4,787,000  
Cash distributions 544,000 0  
Limited Partnership [Member]      
Schedule of Investments [Line Items]      
Recognized investment income (loss) 1,207,000 (3,244,000)  
Company's contributed capital to the partnership 31,946,000 27,276,000  
Maximum exposure loss relating to VIE $ 29,263,000 $ 23,930,000