XML 88 R70.htm IDEA: XBRL DOCUMENT v3.8.0.1
Long-Term Debt - Schedule of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Total $ 12,868 $ 15,028
Surplus Note [Member]    
Debt Instrument [Line Items]    
Notes payable $ 12,868 14,338
Promissory Note [Member]    
Debt Instrument [Line Items]    
Notes payable   $ 690