XML 49 R36.htm IDEA: XBRL DOCUMENT v3.21.2
Basis of Presentation (Narrative) (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
segment
Jun. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Number of reportable segments | segment 5          
Premium receivable, allowance for credit loss | $ $ 7,676 $ 7,729 $ 6,131 $ 6,616 $ 6,627 $ 1,590