XML 72 R60.htm IDEA: XBRL DOCUMENT v3.19.1
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Reinsurance Retention Policy [Line Items]    
Reinsurance payable, net $ 48,171 $ 93,306
June 1, 2019 - May 31, 2020 [Member]    
Reinsurance Retention Policy [Line Items]    
Reinsurance payable, net 82,300  
June 1, 2020 - May 31, 2021 [Member]    
Reinsurance Retention Policy [Line Items]    
Reinsurance payable, net $ 33,900