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Reserves For Claims Summary Of The Company's Loss Reserves (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]      
Known title claims $ 3,910 $ 3,317  
IBNR 32,456 33,437  
Total reserve for claims $ 36,366 $ 36,754 $ 33,584
% of known title reserves 10.80% 9.00%  
% of IBNR 89.20% 91.00%  
% of total loss reserves 100.00% 100.00%