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Reserves for Claims Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]      
Realized claim recoveries $ 467,000 $ 790,000 $ 1,165,000
Provision rate for title insurance claims 4.00% 4.80% (0.50%)
Minimum      
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]      
Large claim threshold $ 250,000