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Variable Interest Entities (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Variable Interest Entity [Line Items]    
Restricted cash and cash equivalents [1] $ 21,115 $ 2,635
Primary Beneficiary    
Variable Interest Entity [Line Items]    
Restricted cash and cash equivalents $ 18,400  
[1] See “—Note 5 (Insurance Operations)” for a discussion of the nature of the restrictions for restricted cash and cash equivalents and “—Note 14 (Variable Interest Entities)” for a discussion of restricted cash held in a trust account.