Guarantor Subsidiaries Guarantor Reclassification (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Guarantor Obligations [Line Items]
Operating Revenue	$ 426,972	$ 389,361	$ 824,141	$ 747,462
Operating Expenses	358,586	321,799	700,479	634,673
Net income/(loss) attributable to CoreLogic	43,550	42,657	77,119	59,287
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	5,617	39,895	38,647	60,660
Net cash (used in)/provided by operating activities - continuing operations			167,962	183,067
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(59,910)	(38,381)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(76,457)	(144,279)
Consolidation, Eliminations [Member]
Guarantor Obligations [Line Items]
Operating Revenue	(6,663)	0	0	0
Net income/(loss) attributable to CoreLogic	(64,747)	(62,389)	(118,224)	(95,168)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(25,747)	(59,237)	(78,290)	(96,183)
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/(loss) attributable to CoreLogic	43,550	42,657	77,119	59,287
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	5,617	39,895	38,647	60,660
Net cash (used in)/provided by operating activities - continuing operations			(11,627)	3,462
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(3,078)	(244)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			52,461	13,012
Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue	409,695	367,169	777,127	703,144
Net income/(loss) attributable to CoreLogic	63,351	65,654	117,267	100,596
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	63,351	65,654	117,267	100,596
Net cash (used in)/provided by operating activities - continuing operations			173,567	182,119
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(52,834)	(30,541)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(120,932)	(163,163)
Non-Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue	23,940	22,192	47,014	44,318
Net income/(loss) attributable to CoreLogic	1,396	(3,265)	957	(5,428)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(37,604)	(6,417)	(38,977)	(4,413)
Net cash (used in)/provided by operating activities - continuing operations			6,022	(2,514)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations			(3,998)	(7,596)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(7,986)	5,872
Reclassification [Member]
Guarantor Obligations [Line Items]
Operating Revenue				0
Operating Expenses				0
Income (Loss) Attributable to Noncontrolling Interest				0
Net income/(loss) attributable to CoreLogic				0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent				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		(151)		(342)
Operating Expenses		(151)		(342)
Income (Loss) Attributable to Noncontrolling Interest		0		0
Net income/(loss) attributable to CoreLogic		(65)		(158)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		(65)		(158)
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		65		158
Net income/(loss) 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] | Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue		151		342
Operating Expenses		151		342
Income (Loss) Attributable to Noncontrolling Interest		0		0
Net income/(loss) 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				(1,292)
Reclassification [Member] | Non-Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue		0		0
Operating Expenses		0		0
Income (Loss) Attributable to Noncontrolling Interest		(65)		(158)
Net income/(loss) attributable to CoreLogic		65		158
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		65		158
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				$ 1,292