Guarantor Subsidiaries (Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 113,128	$ 104,677	$ 140,224	$ 134,419
Accounts receivable	267,066	214,344
Other current assets	179,302	181,604
Property and equipment, net	350,969	368,614
Goodwill, net	1,769,718	1,780,758
Other intangible assets, net	256,311	278,270
Capitalized data and database developement costs net	329,969	333,265
Investment in affiliates, net	103,549	103,598
Deferred income tax assets, long-term	0	0
Restricted cash	11,706	12,360
Investments in subsidiaries	0	0
Intercompany Receivable	0	0
Other assets	139,629	138,872
Total assets	3,521,347	3,516,362
Liabilities and Equity
Current liabilities	572,002	550,590
Long-term debt, net	1,261,270	1,319,211
Deferred revenue	423,275	389,308
Deferred income taxes, long term	62,757	63,979
Intercompany Payable	0	0
Other liabilities	163,691	161,084
Redeemable noncontrolling interests	17,997	18,023
Total Corelogic's stockholders' equity	1,020,355	1,014,167
Total liabilities and equity	3,521,347	3,516,362
Parent [Member]
Assets
Cash and cash equivalents	71,505	61,602	105,726	104,310
Accounts receivable	0	0
Other current assets	57,794	55,867
Property and equipment, net	16,209	17,261
Goodwill, net	0	0
Other intangible assets, net	262	290
Capitalized data and database developement costs net	0	0
Investment in affiliates, net	0	0
Deferred income tax assets, long-term	49,365	49,365
Restricted cash	10,511	11,035
Investments in subsidiaries	2,433,862	2,350,467
Intercompany Receivable	88,554	89,780
Other assets	107,080	105,262
Total assets	2,835,142	2,740,929
Liabilities and Equity
Current liabilities	136,719	123,196
Long-term debt, net	1,260,145	1,313,270
Deferred revenue	0	0
Deferred income taxes, long term	0	0
Intercompany Payable	283,807	158,939
Other liabilities	134,116	131,357
Redeemable noncontrolling interests	0	0
Total Corelogic's stockholders' equity	1,020,355	1,014,167
Total liabilities and equity	2,835,142	2,740,929
Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	4,201	8,733	4,645	0
Accounts receivable	243,098	189,138
Other current assets	117,320	120,531
Property and equipment, net	310,912	325,638
Goodwill, net	1,612,388	1,612,388
Other intangible assets, net	225,738	242,170
Capitalized data and database developement costs net	256,793	254,236
Investment in affiliates, net	103,195	103,598
Deferred income tax assets, long-term	0	0
Restricted cash	0	0
Investments in subsidiaries	0	0
Intercompany Receivable	283,808	158,939
Other assets	30,987	31,925
Total assets	3,188,440	3,047,296
Liabilities and Equity
Current liabilities	396,088	389,170
Long-term debt, net	1,125	5,941
Deferred revenue	423,273	389,302
Deferred income taxes, long term	93,590	91,197
Intercompany Payable	22,325	22,325
Other liabilities	28,039	27,930
Redeemable noncontrolling interests	0	0
Total Corelogic's stockholders' equity	2,224,000	2,121,431
Total liabilities and equity	3,188,440	3,047,296
Non-Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	37,422	34,342	29,853	30,109
Accounts receivable	23,968	25,206
Other current assets	4,515	5,206
Property and equipment, net	23,848	25,715
Goodwill, net	157,330	168,370
Other intangible assets, net	30,311	35,810
Capitalized data and database developement costs net	73,176	79,029
Investment in affiliates, net	354	0
Deferred income tax assets, long-term	0	0
Restricted cash	1,195	1,325
Investments in subsidiaries	0	0
Intercompany Receivable	0	0
Other assets	1,562	1,685
Total assets	353,681	376,688
Liabilities and Equity
Current liabilities	39,522	38,224
Long-term debt, net	0	0
Deferred revenue	2	6
Deferred income taxes, long term	18,532	22,147
Intercompany Payable	66,230	67,455
Other liabilities	1,536	1,797
Redeemable noncontrolling interests	17,997	18,023
Total Corelogic's stockholders' equity	209,862	229,036
Total liabilities and equity	353,681	376,688
Consolidation, Eliminations [Member]
Assets
Cash and cash equivalents	0	0	0	0
Accounts receivable	0	0
Other current assets	(327)	0
Property and equipment, net	0	0
Goodwill, net	0	0
Other intangible assets, net		0
Capitalized data and database developement costs net	0	0
Investment in affiliates, net	0	0
Deferred income tax assets, long-term	(49,365)	(49,365)
Restricted cash	0	0
Investments in subsidiaries	(2,433,862)	(2,350,467)
Intercompany Receivable	(372,362)	(248,719)
Other assets	0	0
Total assets	(2,855,916)	(2,648,551)
Liabilities and Equity
Current liabilities	(327)	0
Long-term debt, net	0	0
Deferred revenue	0	0
Deferred income taxes, long term	(49,365)	(49,365)
Intercompany Payable	(372,362)	(248,719)
Other liabilities	0	0
Redeemable noncontrolling interests	0	0
Total Corelogic's stockholders' equity	(2,433,862)	(2,350,467)
Total liabilities and equity	(2,855,916)	(2,648,551)
Total [Member]
Assets
Cash and cash equivalents	$ 113,128	$ 104,677	$ 140,224	$ 134,419