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SCHEDULE IV - FINANCIAL INFORMATION OF REGISTRANT REINSURANCE
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]  
Financial Information of Registrant Reinsurance
Gross AmountCeded to Other CompaniesAssumed from Other CompaniesNet AmountPercentage of Amount Assumed to Net
For the years ended December 31,(In thousands)
2020$472,998 $75,826 $— $397,172 — %
2019398,303 53,288 — 345,015 — %
2018292,064 40,867 — 251,197 — %