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Reinsurance - Premium Details (Details) - 2017
Mar. 31, 2022
Radnor Re 2018-1 Ltd.  
Effects of Reinsurance [Line Items]  
Increase of margin component of reinsurance premium 50.00%
Panel of Reinsurers  
Effects of Reinsurance [Line Items]  
Increase of margin component of reinsurance premium 50.00%