Income Taxes (Reconciliation) (Details)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CoreLogic [Member]
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Federal statutory income tax rate	35.00%	35.00%	35.00%
State taxes, net of federal benefit	6.20%	4.00%	6.10%
Foreign taxes (less than) in excess of federal rate	(5.60%)	1.00%	5.00%
Non-deductible expenses, including Separation-related	1.70%	4.90%	0.30%
Gain on disposition of subsidiary	0.00%	0.00%	0.00%
Change from investee to subsidiary	0.00%	(2.30%)	0.00%
Change in uncertain tax positions	1.30%	2.70%	0.10%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent	(7.90%)	(10.20%)	0.00%
Other items, net	(2.50%)	(3.50%)	4.90%
Effective Income Tax Rate	28.20%	31.60%	51.40%
Affiliates [Member]
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Federal statutory income tax rate	35.00%	35.00%	35.00%
State taxes, net of federal benefit	3.60%	3.20%	3.20%
Foreign taxes (less than) in excess of federal rate	0.00%	(0.60%)	(0.10%)
Non-deductible expenses, including Separation-related	0.00%	0.00%	0.00%
Gain on disposition of subsidiary	0.00%	0.00%	0.00%
Change from investee to subsidiary	0.00%	0.00%	0.00%
Change in uncertain tax positions	0.00%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent	0.00%	0.00%	0.00%
Other items, net	0.00%	0.00%	0.00%
Effective Income Tax Rate	38.60%	37.60%	38.10%

Effective Income Tax Reconciliation, Change From Investee to Subsidiary

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Effective Income Tax Reconciliation, Change in Uncertain Tax Positions

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to disposition of a business not qualifying as a discontinued operation.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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