XML 89 R77.htm IDEA: XBRL DOCUMENT v3.19.1
Debt and Federal Home Loan Bank Advances - Additional Information (Detail) - USD ($)
Dec. 11, 2018
Dec. 31, 2018
Jun. 29, 2018
Dec. 31, 2017
Debt Instrument [Line Items]        
Advances with FHLB   $ 0   $ 0
Other credit obligations   0    
Commitments in form of loan guarantees   $ 0    
Promissory Notes | Insurance Capital Group        
Debt Instrument [Line Items]        
Debt instrument, principal amount     $ 2,000,000  
Debt instrument, interest rate     3.75%  
Debt instrument outstanding $ 1,050,000      
Conversion of debt instrument into shares 105,000