Capitalized Data and Database Development Costs, Net (Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Capitalized Costs and Database Development [Line Items]
Capitalized data and database costs, net	$ 571,449	$ 550,705
Less accumulated amortization	(243,608)	(217,440)
Capitalized data and database cost, net	327,841	333,265
Property Data [Member]
Capitalized Costs and Database Development [Line Items]
Capitalized data and database costs, net	498,697	477,221
Flood [Member]
Capitalized Costs and Database Development [Line Items]
Capitalized data and database costs, net	55,416	55,416
Eviction Data [Member]
Capitalized Costs and Database Development [Line Items]
Capitalized data and database costs, net	$ 17,336	$ 18,068