Guarantor Subsidiaries (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Operating revenues	$ 386,013	$ 365,970	$ 750,784	$ 692,074
Intercompany Revenue	0	0
Cost of services (excluding depreciation and amortization shown below)	189,743	192,088	375,286	379,748
Selling, General and Administrative Expense	98,291	93,422	192,276	187,388
Depreciation and amortization	37,272	35,366	73,192	64,872
Impairment loss	0	4,074	58	4,222
(Loss)/income from continuing operations	60,707	41,020	109,972	55,844
Interest Income (Expense), Net	(16,598)	(16,280)	(28,975)	(31,936)
Gain/(loss) on investment and other, net	(1,356)	6,992	(1,047)	2,642
(Benefit)/provision for income taxes	14,156	8,637	25,622	8,751
Equity in earnings of affiliates, net of tax	4,667	3,874	8,434	6,257
Equity in earnings of subsidiary, net of tax	0	0
Net income from continuing operations	33,264	26,969	62,762	24,056
Loss from discontinued operations, net of tax	(217)	(10,750)	(329)	(10,363)
Net income/(loss)	33,047	16,219	62,433	13,693
Less: Net loss attributable to noncontrolling interests	258	230	465	495
Net income attributable to CoreLogic	32,789	15,989	61,968	13,198
Total other comprehensive income/(loss)	2,788	6,342	(21,460)	19,332
Less: Comprehensive income attributable to the noncontrolling interests	258	230	465	495
Comprehensive income attributable to CoreLogic	35,577	22,331	40,508	32,530
Parent [Member]
Operating revenues	0	0	0	0
Intercompany Revenue	0	0	0	0
Cost of services (excluding depreciation and amortization shown below)	0	0	0	0
Selling, General and Administrative Expense	13,681	13,094	32,679	31,685
Depreciation and amortization	1,223	1,245	2,476	2,394
Impairment loss	0	0	0	0
(Loss)/income from continuing operations	(14,904)	(14,339)	(35,155)	(34,079)
Interest Income (Expense), Net	(15,744)	(15,724)	(27,144)	(30,710)
Gain/(loss) on investment and other, net	(1,278)	976	(969)	(3,014)
(Benefit)/provision for income taxes	(15,225)	1,789	(28,571)	(22,891)
Equity in earnings of affiliates, net of tax	0	0	0	0
Equity in earnings of subsidiary, net of tax	49,490	46,865	96,665	58,110
Net income from continuing operations	32,789	15,989	61,968	13,198
Loss from discontinued operations, net of tax	0	0	0	0
Net income/(loss)	32,789	15,989	61,968	13,198
Less: Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to CoreLogic	32,789	15,989	61,968	13,198
Total other comprehensive income/(loss)	2,788	6,342	(21,460)	19,332
Less: Comprehensive income attributable to the noncontrolling interests	0	0	0	0
Comprehensive income attributable to CoreLogic	35,577	22,331	40,508	32,530
Guarantor Subsidiaries [Member]
Operating revenues	354,003	330,262	685,904	625,167
Intercompany Revenue	0	0	0	0
Cost of services (excluding depreciation and amortization shown below)	177,668	177,644	351,390	352,034
Selling, General and Administrative Expense	72,626	70,377	141,044	137,167
Depreciation and amortization	30,113	27,426	58,703	49,427
Impairment loss	0	4,074	58	4,222
(Loss)/income from continuing operations	73,596	50,741	134,709	82,317
Interest Income (Expense), Net	(333)	(19)	(797)	(112)
Gain/(loss) on investment and other, net	0	6,016	0	5,656
(Benefit)/provision for income taxes	28,384	15,999	50,544	26,735
Equity in earnings of affiliates, net of tax	4,999	3,874	8,855	6,257
Equity in earnings of subsidiary, net of tax	0	0	0	0
Net income from continuing operations	49,878	44,613	92,223	67,383
Loss from discontinued operations, net of tax	(217)	(10,750)	(329)	(10,363)
Net income/(loss)	49,661	33,863	91,894	57,020
Less: Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to CoreLogic	49,661	33,863	91,894	57,020
Total other comprehensive income/(loss)	0	0	0	0
Less: Comprehensive income attributable to the noncontrolling interests	0	0	0	0
Comprehensive income attributable to CoreLogic	49,661	33,863	91,894	57,020
Non-Guarantor Subsidiaries [Member]
Operating revenues	32,010	35,708	64,880	66,907
Intercompany Revenue	180	90	379	293
Cost of services (excluding depreciation and amortization shown below)	12,089	14,383	23,929	27,711
Selling, General and Administrative Expense	12,150	10,102	18,899	18,832
Depreciation and amortization	5,936	6,695	12,013	13,051
Impairment loss	0	0	0	0
(Loss)/income from continuing operations	2,015	4,618	10,418	7,606
Interest Income (Expense), Net	(521)	(537)	(1,034)	(1,114)
Gain/(loss) on investment and other, net	(78)	0	(78)	0
(Benefit)/provision for income taxes	997	(9,151)	3,649	4,907
Equity in earnings of affiliates, net of tax	(332)	0	(421)	0
Equity in earnings of subsidiary, net of tax	0	0	0	0
Net income from continuing operations	87	13,232	5,236	1,585
Loss from discontinued operations, net of tax	0	0	0	0
Net income/(loss)	87	13,232	5,236	1,585
Less: Net loss attributable to noncontrolling interests	258	230	465	495
Net income attributable to CoreLogic	(171)	13,002	4,771	1,090
Total other comprehensive income/(loss)	630	7,041	(21,146)	17,541
Less: Comprehensive income attributable to the noncontrolling interests	258	230	465	495
Comprehensive income attributable to CoreLogic	459	20,043	(16,375)	18,631
Consolidation, Eliminations [Member]
Operating revenues	0	0	0	0
Intercompany Revenue	(180)	(90)	(379)	(293)
Cost of services (excluding depreciation and amortization shown below)	(14)	61	(33)	3
Selling, General and Administrative Expense	(166)	(151)	(346)	(296)
Depreciation and amortization	0	0	0	0
Impairment loss	0	0	0	0
(Loss)/income from continuing operations	0	0	0	0
Interest Income (Expense), Net	0	0	0	0
Gain/(loss) on investment and other, net	0	0	0	0
(Benefit)/provision for income taxes	0	0	0	0
Equity in earnings of affiliates, net of tax	0	0	0	0
Equity in earnings of subsidiary, net of tax	(49,490)	(46,865)	(96,665)	(58,110)
Net income from continuing operations	(49,490)	(46,865)	(96,665)	(58,110)
Loss from discontinued operations, net of tax	0	0	0	0
Net income/(loss)	(49,490)	(46,865)	(96,665)	(58,110)
Less: Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to CoreLogic	(49,490)	(46,865)	(96,665)	(58,110)
Total other comprehensive income/(loss)	(630)	(7,041)	21,146	(17,541)
Less: Comprehensive income attributable to the noncontrolling interests	0	0	0	0
Comprehensive income attributable to CoreLogic	$ (50,120)	$ (53,906)	(75,519)	(75,651)
Total [Member]
Operating revenues			750,784	692,074
Intercompany Revenue			0	0
Cost of services (excluding depreciation and amortization shown below)			375,286	379,748
Selling, General and Administrative Expense			192,276	187,388
Depreciation and amortization			73,192	64,872
Impairment loss			58	4,222
(Loss)/income from continuing operations			109,972	55,844
Interest Income (Expense), Net			(28,975)	(31,936)
Gain/(loss) on investment and other, net			(1,047)	2,642
(Benefit)/provision for income taxes			25,622	8,751
Equity in earnings of affiliates, net of tax			8,434	6,257
Equity in earnings of subsidiary, net of tax			0	0
Net income from continuing operations			62,762	24,056
Loss from discontinued operations, net of tax			(329)	(10,363)
Net income/(loss)			62,433	13,693
Less: Net loss attributable to noncontrolling interests			465	495
Net income attributable to CoreLogic			61,968	13,198
Total other comprehensive income/(loss)			(21,460)	19,332
Less: Comprehensive income attributable to the noncontrolling interests			465	495
Comprehensive income attributable to CoreLogic			$ 40,508	$ 32,530