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Related Party Transactions Summary Of Approximate Values By Year Found Within Consolidated Statements Of Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Related Party Transaction [Line Items]      
Net premiums written $ 145,842 $ 138,125 $ 140,502
Commissions to agents 72,780 65,775 68,643
Title Insurance Agencies      
Related Party Transaction [Line Items]      
Net premiums written 16,040 13,960 14,645
Non-title services and other investment income 2,974 2,444 2,240
Commissions to agents $ 10,879 $ 9,259 $ 9,864