General form of registration statement for all companies including face-amount certificate companies

Commitments, Contingencies and Other Liabilities - Narrative (Details)

v3.19.3.a.u2
Commitments, Contingencies and Other Liabilities - Narrative (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
USD ($)
insurance_carrier
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Jun. 30, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]              
Rent expense       $ 4,018 $ 3,798 $ 3,768  
Legal reserve             $ 28,000
Settlement amount paid   $ 23,000 $ 5,000        
Number of insurance carriers settled | insurance_carrier 2            
Litigation settlement, receivable recoverable from insurance $ 12,500     $ 12,500