Guarantor Subsidiaries (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash and cash equivalents	$ 99,090	$ 104,677	$ 134,419	$ 149,568
Accounts receivable	240,988	214,344
Other current assets	202,188	181,604
Property and equipment, net	375,654	368,614
Goodwill, net	1,881,547	1,780,758	1,390,674
Other intangible assets, net	352,148	278,270
Capitalized data and database cost, net	327,841	333,265
Investment in affiliates, net	69,205	103,598
Deferred income tax assets, long-term	2,219	0
Restricted cash	10,926	12,360
Investment in subsidiaries	0	0
Intercompany receivable	0	0
Other assets	139,244	138,872
Total assets	3,701,050	3,516,362
Current liabilities	614,476	550,590
Long-term debt, net of current	1,315,511	1,319,211
Deferred revenue, net of current	448,819	389,308
Deferred income tax liabilities, long term	107,249	63,979
Intercompany payable	0	0
Other liabilities	165,505	161,084
Redeemable noncontrolling interests	0	18,023
Total CoreLogic stockholders' equity	1,049,490	1,014,167
Total liabilities and equity	3,701,050	3,516,362
Parent [Member]
Cash and cash equivalents	28,259	61,602	104,310	111,305
Accounts receivable	0	0
Other current assets	80,110	55,867
Property and equipment, net	17,806	17,261
Goodwill, net	0	0
Other intangible assets, net	233	290
Capitalized data and database cost, net	0	0
Investment in affiliates, net	0	0
Deferred income tax assets, long-term	51,763	49,365
Restricted cash	9,777	11,035
Investment in subsidiaries	2,539,614	2,350,467
Intercompany receivable	128,222	89,780
Other assets	102,148	105,262
Total assets	2,957,932	2,740,929
Current liabilities	136,863	123,196
Long-term debt, net of current	1,313,895	1,313,270
Deferred revenue, net of current	0	0
Deferred income tax liabilities, long term	0	0
Intercompany payable	329,847	158,939
Other liabilities	127,837	131,357
Redeemable noncontrolling interests		0
Total CoreLogic stockholders' equity	1,049,490	1,014,167
Total liabilities and equity	2,957,932	2,740,929
Guarantor Subsidiaries [Member]
Cash and cash equivalents	33,186	8,733	0	3,471
Accounts receivable	211,943	189,138
Other current assets	117,008	120,531
Property and equipment, net	322,109	325,638
Goodwill, net	1,700,102	1,612,388
Other intangible assets, net	319,756	242,170
Capitalized data and database cost, net	258,425	254,236
Investment in affiliates, net	68,112	103,598
Deferred income tax assets, long-term	0	0
Restricted cash	0	0
Investment in subsidiaries	0	0
Intercompany receivable	329,847	158,939
Other assets	35,754	31,925
Total assets	3,396,242	3,047,296
Current liabilities	410,538	389,170
Long-term debt, net of current	1,616	5,941
Deferred revenue, net of current	448,654	389,302
Deferred income tax liabilities, long term	132,228	91,197
Intercompany payable	22,325	22,325
Other liabilities	35,982	27,930
Redeemable noncontrolling interests		0
Total CoreLogic stockholders' equity	2,344,899	2,121,431
Total liabilities and equity	3,396,242	3,047,296
Non-Guarantor Subsidiaries [Member]
Cash and cash equivalents	37,645	34,342	30,109	34,792
Accounts receivable	29,045	25,206
Other current assets	5,070	5,206
Property and equipment, net	35,739	25,715
Goodwill, net	181,445	168,370
Other intangible assets, net	32,159	35,810
Capitalized data and database cost, net	69,416	79,029
Investment in affiliates, net	1,093	0
Deferred income tax assets, long-term	2,219	0
Restricted cash	1,149	1,325
Investment in subsidiaries	0	0
Intercompany receivable	0	0
Other assets	1,342	1,685
Total assets	396,322	376,688
Current liabilities	67,075	38,224
Long-term debt, net of current	0	0
Deferred revenue, net of current	165	6
Deferred income tax liabilities, long term	26,784	22,147
Intercompany payable	105,897	67,455
Other liabilities	1,686	1,797
Redeemable noncontrolling interests		18,023
Total CoreLogic stockholders' equity	194,715	229,036
Total liabilities and equity	396,322	376,688
Consolidating/Eliminating Adjustments [Member]
Cash and cash equivalents	0	0	$ 0	$ 0
Accounts receivable	0	0
Other current assets	0	0
Property and equipment, net	0	0
Goodwill, net	0	0
Other intangible assets, net	0	0
Capitalized data and database cost, net	0	0
Investment in affiliates, net	0	0
Deferred income tax assets, long-term	(51,763)	(49,365)
Restricted cash	0	0
Investment in subsidiaries	(2,539,614)	(2,350,467)
Intercompany receivable	(458,069)	(248,719)
Other assets	0	0
Total assets	(3,049,446)	(2,648,551)
Current liabilities	0	0
Long-term debt, net of current	0	0
Deferred revenue, net of current	0	0
Deferred income tax liabilities, long term	(51,763)	(49,365)
Intercompany payable	(458,069)	(248,719)
Other liabilities	0	0
Redeemable noncontrolling interests		0
Total CoreLogic stockholders' equity	(2,539,614)	(2,350,467)
Total liabilities and equity	$ (3,049,446)	$ (2,648,551)