Guarantor Subsidiaries Guarantor Reclassification (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Guarantor Obligations [Line Items]
Operating Revenue	$ 310,417	$ 331,301
Operating Expenses	296,764	283,966
Net (loss)/income attributable to CoreLogic	(2,792)	33,568
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	10,197	33,030
Net cash (used in)/provided by operating activities - continuing operations	12,671	82,072
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(686,950)	(34,694)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	657,953	(79,571)
Consolidation, Eliminations [Member]
Guarantor Obligations [Line Items]
Operating Revenue	0	0
Net (loss)/income attributable to CoreLogic	(22,185)	(50,268)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(32,687)	(49,335)
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
Net (loss)/income attributable to CoreLogic	(2,792)	33,568
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	10,197	33,030
Net cash (used in)/provided by operating activities - continuing operations	(21,816)	32,508
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(1,524)	(1,265)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	(2,825)	(32,088)
Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue	279,074	308,336
Net (loss)/income attributable to CoreLogic	23,155	50,759
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	23,155	50,759
Net cash (used in)/provided by operating activities - continuing operations	29,798	54,908
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(652,853)	(30,190)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	631,849	(41,879)
Non-Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Operating Revenue	31,343	22,965
Net (loss)/income attributable to CoreLogic	(970)	(491)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	9,532	(1,424)
Net cash (used in)/provided by operating activities - continuing operations	4,689	(5,344)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(32,573)	(3,239)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	$ 28,929	$ (5,604)