Guarantor Subsidiaries Guarantor Subsidiaries (Revisions) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Total current assets	$ 641,614				$ 746,770				$ 641,614	$ 746,770
Intercompany payable	0				0				0	0
Payments to Acquire Additional Interest in Subsidiaries									0	0	72,000
Current liabilities	538,027				534,206				538,027	534,206
Total CoreLogic stockholders' equity	1,044,373				1,169,301				1,044,373	1,169,301
Operating revenue	311,923	339,205	348,201	331,301	334,025	321,128	296,543	283,687	1,330,630	1,235,383	1,010,179
Total operating expenses									1,157,754	1,065,411	973,319
Net income/(loss) attributable to CoreLogic	(13,053)	43,662	43,550	33,569	14,685	38,320	42,657	16,631	107,728	112,293	(74,609)
Comprehensive income/(loss) attributable to CoreLogic									69,653	117,095	(110,868)
Net cash (used in)/provided by operating activities - continuing operations									302,413	319,945	143,743
Net cash used in investing activities - continuing operations									(188,650)	(138,860)	(178,967)
Net cash used in investing activities - discontinued operations									1,857	(8,482)	(8,706)
Net cash used in financing activities - continuing operations									(179,903)	(332,388)	(150,002)
Parent [Member]
Intercompany payable	564,386				347,410				564,386	347,410
Payments to Acquire Additional Interest in Subsidiaries											0
Current liabilities	107,340				82,668				107,340	82,668
Total CoreLogic stockholders' equity	1,044,373				1,169,301				1,044,373	1,169,301
Operating revenue									0	0	0
Net income/(loss) attributable to CoreLogic									107,728	112,293	(74,609)
Comprehensive income/(loss) attributable to CoreLogic									69,653	117,095	(110,868)
Net cash (used in)/provided by operating activities - continuing operations									(52,150)	(60,340)	(11,053)
Net cash used in investing activities - continuing operations									(1,254)	(3,196)	(218,153)
Net cash used in investing activities - discontinued operations									0	0	0
Net cash used in financing activities - continuing operations									47,633	(57,565)	108,130
Guarantor Subsidiaries [Member]
Intercompany payable	0				0				0	0
Payments to Acquire Additional Interest in Subsidiaries											72,000
Current liabilities	397,481				423,146				397,481	423,146
Total CoreLogic stockholders' equity	1,966,178				1,788,082				1,966,178	1,788,082
Operating revenue									1,229,344	1,146,040	956,984
Net income/(loss) attributable to CoreLogic									166,254	192,552	(44,204)
Comprehensive income/(loss) attributable to CoreLogic									166,254	192,552	(58,297)
Net cash (used in)/provided by operating activities - continuing operations									328,483	363,358	151,801
Net cash used in investing activities - continuing operations									(167,505)	(121,085)	22,200
Net cash used in investing activities - discontinued operations									1,857	(8,482)	(8,706)
Net cash used in financing activities - continuing operations									(217,274)	(289,251)	(207,439)
Non-Guarantor Subsidiaries [Member]
Intercompany payable	63,647				65,026				63,647	65,026
Payments to Acquire Additional Interest in Subsidiaries											0
Current liabilities	33,206				28,833				33,206	28,833
Total CoreLogic stockholders' equity	243,748				288,162				243,748	288,162
Operating revenue									101,286	89,343	53,195
Net income/(loss) attributable to CoreLogic									9,539	(9,863)	(3,814)
Comprehensive income/(loss) attributable to CoreLogic									(33,798)	(3,942)	(16,426)
Net cash (used in)/provided by operating activities - continuing operations									26,080	16,927	2,995
Net cash used in investing activities - continuing operations									(19,891)	(14,579)	16,986
Net cash used in investing activities - discontinued operations									0	0	0
Net cash used in financing activities - continuing operations									(10,262)	14,428	(50,693)
Consolidating/Eliminating Adjustments [Member]
Intercompany payable	(628,033)				(412,436)				(628,033)	(412,436)
Payments to Acquire Additional Interest in Subsidiaries											0
Current liabilities	0				(441)				0	(441)
Total CoreLogic stockholders' equity	(2,209,926)				(2,076,244)				(2,209,926)	(2,076,244)
Operating revenue									0	0	0
Net income/(loss) attributable to CoreLogic									(175,793)	(182,689)	48,018
Comprehensive income/(loss) attributable to CoreLogic									(132,456)	(188,610)	74,723
Net cash (used in)/provided by operating activities - continuing operations									0	0	0
Net cash used in investing activities - continuing operations									0	0	0
Net cash used in investing activities - discontinued operations									0	0	0
Net cash used in financing activities - continuing operations									$ 0	$ 0	$ 0