Guarantor Subsidiaries (Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash and cash equivalents	$ 104,677	$ 134,419	$ 149,568	$ 258,116
Accounts receivable	214,344	215,020
Other current assets	181,604	211,978
Property and equipment, net	368,614	197,542
Goodwill, net	1,780,758	1,468,290	1,354,823
Other intangible assets, net	278,270	175,808
Capitalized data and database cost, net	333,265	330,188
Investment in affiliates, net	103,598	95,343
Deferred income tax assets, long-term	0	0
Restricted cash	12,360	12,050
Investment in subsidiaries	0	0
Intercompany receivable	0	0
Other assets	138,872	162,493
Total assets	3,516,362	3,003,131
Current liabilities	550,590	534,091
Long-term debt, net of current	1,319,211	811,776
Deferred revenue, net of current	389,308	377,855
Deferred income tax liabilities, long term	63,979	76,969
Intercompany payable	0	0
Other liabilities	161,084	147,865
Redeemable noncontrolling interests	18,023	10,202
Total CoreLogic stockholders' equity	1,014,167	1,044,373
Total liabilities and equity	3,516,362	3,003,131
Parent [Member]
Cash and cash equivalents	61,602	104,310	111,305	229,871
Accounts receivable	0	0
Other current assets	55,867	56,877
Property and equipment, net	17,261	20,076
Goodwill, net	0	0
Other intangible assets, net	290	348
Capitalized data and database cost, net	0	0
Investment in affiliates, net	0	0
Deferred income tax assets, long-term	49,365	58,998
Restricted cash	11,035	10,335
Investment in subsidiaries	2,350,467	2,210,416
Intercompany receivable	89,780	63,647
Other assets	105,262	118,709
Total assets	2,740,929	2,643,716
Current liabilities	123,196	107,340
Long-term debt, net of current	1,313,270	806,395
Deferred revenue, net of current	0	0
Deferred income tax liabilities, long term	0	0
Intercompany payable	158,939	564,064
Other liabilities	131,357	121,544
Redeemable noncontrolling interests	0	0
Total CoreLogic stockholders' equity	1,014,167	1,044,373
Total liabilities and equity	2,740,929	2,643,716
Guarantor Subsidiaries [Member]
Cash and cash equivalents	8,733	0	3,471	10,076
Accounts receivable	189,138	193,256
Other current assets	120,531	151,066
Property and equipment, net	325,638	149,848
Goodwill, net	1,612,388	1,306,471
Other intangible assets, net	242,170	135,326
Capitalized data and database cost, net	254,236	249,472
Investment in affiliates, net	103,598	95,343
Deferred income tax assets, long-term	0	0
Restricted cash	0	306
Investment in subsidiaries	0	0
Intercompany receivable	158,939	554,894
Other assets	31,925	41,680
Total assets	3,047,296	2,877,662
Current liabilities	389,170	393,738
Long-term debt, net of current	5,941	5,381
Deferred revenue, net of current	389,302	377,846
Deferred income tax liabilities, long term	91,197	111,664
Intercompany payable	22,325	0
Other liabilities	27,930	23,050
Redeemable noncontrolling interests	0	0
Total CoreLogic stockholders' equity	2,121,431	1,965,983
Total liabilities and equity	3,047,296	2,877,662
Non-Guarantor Subsidiaries [Member]
Cash and cash equivalents	34,342	30,109	34,792	18,169
Accounts receivable	25,206	21,764
Other current assets	5,206	4,228
Property and equipment, net	25,715	27,618
Goodwill, net	168,370	161,819
Other intangible assets, net	35,810	40,134
Capitalized data and database cost, net	79,029	80,716
Investment in affiliates, net	0	0
Deferred income tax assets, long-term	0	0
Restricted cash	1,325	1,409
Investment in subsidiaries	0	0
Intercompany receivable	0	9,170
Other assets	1,685	2,104
Total assets	376,688	379,071
Current liabilities	38,224	33,206
Long-term debt, net of current	0	0
Deferred revenue, net of current	6	9
Deferred income tax liabilities, long term	22,147	24,303
Intercompany payable	67,455	63,647
Other liabilities	1,797	3,271
Redeemable noncontrolling interests	18,023	10,202
Total CoreLogic stockholders' equity	229,036	244,433
Total liabilities and equity	376,688	379,071
Consolidating/Eliminating Adjustments [Member]
Cash and cash equivalents	0	0	0	0
Accounts receivable	0	0
Other current assets	0	(193)
Property and equipment, net	0	0
Goodwill, net	0	0
Other intangible assets, net		0
Capitalized data and database cost, net	0	0
Investment in affiliates, net	0	0
Deferred income tax assets, long-term	(49,365)	(58,998)
Restricted cash	0	0
Investment in subsidiaries	(2,350,467)	(2,210,416)
Intercompany receivable	(248,719)	(627,711)
Other assets	0	0
Total assets	(2,648,551)	(2,897,318)
Current liabilities	0	(193)
Long-term debt, net of current	0	0
Deferred revenue, net of current	0	0
Deferred income tax liabilities, long term	(49,365)	(58,998)
Intercompany payable	(248,719)	(627,711)
Other liabilities	0	0
Redeemable noncontrolling interests	0	0
Total CoreLogic stockholders' equity	(2,350,467)	(2,210,416)
Total liabilities and equity	$ (2,648,551)	$ (2,897,318)