Guarantor Subsidiaries Guarantor Reclassification (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Guarantor Obligations [Line Items]
Operating Revenue	$ 405,542	$ 409,760	$ 1,229,683	$ 1,157,222
Operating Expenses	333,526	348,378	1,034,006	983,051
Net income attributable to CoreLogic	43,662	38,320	120,781	97,608
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	51,007	42,584	89,654	103,245
Net cash (used in)/provided by operating activities - continuing operations			265,116	258,789
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(147,478)	(42,722)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(129,342)	(333,752)
Consolidation, Eliminations [Member]
Guarantor Obligations [Line Items]
Operating Revenue	0	0	0	0
Net income attributable to CoreLogic	(57,788)	(57,085)	(176,013)	(152,253)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(65,432)	(62,248)	(143,724)	(158,431)
Net cash (used in)/provided by operating activities - continuing operations			0	0
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			0	0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			0	0
Parent [Member]
Guarantor Obligations [Line Items]
Operating Revenue	0	0	0	0
Net income attributable to CoreLogic	43,662	38,320	120,781	97,608
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	51,007	42,584	89,654	103,245
Net cash (used in)/provided by operating activities - continuing operations			234	(15,160)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(3,017)	(1,407)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(1,825)	(95,398)
Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue	380,220	386,180	1,157,347	1,089,324
Net income attributable to CoreLogic	50,501	58,008	167,770	158,606
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	50,501	58,008	167,770	158,606
Net cash (used in)/provided by operating activities - continuing operations			250,562	266,105
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(137,625)	(29,700)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(112,597)	(245,197)
Non-Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue	25,322	23,580	72,336	67,898
Net income attributable to CoreLogic	7,287	(923)	8,243	(6,353)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	14,931	4,240	(24,046)	(175)
Net cash (used in)/provided by operating activities - continuing operations			14,320	7,844
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(6,836)	(11,615)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(14,920)	6,843
Reclassification [Member]
Guarantor Obligations [Line Items]
Operating Revenue		0		0
Operating Expenses		0		0
Income (Loss) Attributable to Noncontrolling Interest		0		0
Net income attributable to CoreLogic		0		0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		0		0
Net cash (used in)/provided by operating activities - continuing operations				0
Net Cash Provided by (Used in) Investing Activities, Continuing Operations				0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations				0
Reclassification [Member] | Consolidation, Eliminations [Member]
Guarantor Obligations [Line Items]
Operating Revenue		(148)		(488)
Operating Expenses		(148)		(488)
Income (Loss) Attributable to Noncontrolling Interest		0		0
Net income attributable to CoreLogic		0		0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		0		0
Net cash (used in)/provided by operating activities - continuing operations				0
Net Cash Provided by (Used in) Investing Activities, Continuing Operations				0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations				0
Reclassification [Member] | Parent [Member]
Guarantor Obligations [Line Items]
Operating Revenue		0		0
Operating Expenses		0		0
Income (Loss) Attributable to Noncontrolling Interest		0		0
Net income attributable to CoreLogic		0		0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		0		0
Net cash (used in)/provided by operating activities - continuing operations				0
Net Cash Provided by (Used in) Investing Activities, Continuing Operations				0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations				838
Reclassification [Member] | Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue		148		488
Operating Expenses		148		488
Income (Loss) Attributable to Noncontrolling Interest		0		0
Net income attributable to CoreLogic		(586)		(586)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		(586)		(586)
Net cash (used in)/provided by operating activities - continuing operations				2,367
Net Cash Provided by (Used in) Investing Activities, Continuing Operations				0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations				(2,367)
Reclassification [Member] | Non-Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue		0		0
Operating Expenses		0		0
Income (Loss) Attributable to Noncontrolling Interest		0		0
Net income attributable to CoreLogic		586		586
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		586		586
Net cash (used in)/provided by operating activities - continuing operations				(2,367)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations				0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations				$ 1,529