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Related Party Transactions Summary Of Approximate Values By Year Found Within Consolidated Statements Of Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Related Party Transaction [Line Items]        
Net premiums written $ 39,422 $ 37,428 $ 104,123 $ 104,838
Other 157 116 387 397
Commissions to agents 18,490 17,641 48,942 50,570
Title Insurance Agencies        
Related Party Transaction [Line Items]        
Net premiums written 4,148 3,784 10,967 11,259
Other 724 642 1,859 1,689
Commissions to agents $ 2,662 $ 2,501 $ 7,192 $ 7,457