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

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Revenue Recognition and Segment Information (Details)

v3.22.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Revenue Recognition and Segment Information (Details) - segment
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Revenue Recognition    
Term for fees billed to hospital and surgery center customers   30 days
Allowance for Doubtful Accounts    
Term after which claims are reserved   24 months
Term after which claims are written-off   36 months
Segment and Geographic Information    
Number of operating segment 1 1