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Acquisitions (Details) - USD ($)
$ in Thousands
Jul. 01, 2016
Mar. 14, 2016
National Flood Insurance Program    
Business Acquisition [Line Items]    
Consideration transferred   $ 20,329
Initial cash payment   1,000
Expected contingent payment   19,329
Intangible assets acquired   $ 20,329
Intangible assets acquired, amortization period   5 years
Subsequent Event | American Title, Inc.    
Business Acquisition [Line Items]    
Acquisition percentage 100.00%  
Consideration transferred $ 45,000