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Reserves For Claims Change in Accounting Estimate (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Change in Accounting Estimate [Line Items]            
Liability for Title Claims and Claims Adjustment Expense $ 34,816,000   $ 34,816,000   $ 39,078,000 $ 37,996,000
Reduction in Policyholder Benefits and Claims Incurred, Net (3,037,101) 2,432,057 (2,429,289) 4,424,523    
Increase in Income Tax Expense (Benefit) 2,733,000 1,479,000 5,944,000 3,239,000    
Increase in Net Income (Loss) Attributable to Parent 5,515,798 3,158,185 12,898,203 7,939,812    
Increase in Basic Earnings per Common Share $ 2.67 $ 1.52 $ 6.26 $ 3.80    
Increase in Diluted Earnings per Common Share $ 2.66 $ 1.50 $ 6.19 $ 3.74    
Change in Accounting IBNR Reserve Estimate
            
Change in Accounting Estimate [Line Items]            
Liability for Title Claims and Claims Adjustment Expense (2,400,000)   (2,400,000)      
Reduction in Policyholder Benefits and Claims Incurred, Net (2,400,000)          
Increase in Income Tax Expense (Benefit) 821,000          
Increase in Net Income (Loss) Attributable to Parent $ 1,579,000          
Increase in Basic Earnings per Common Share $ 0.76          
Increase in Diluted Earnings per Common Share $ 0.76