Guarantor Subsidiaries (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating revenues	$ 386,439	$ 367,454	$ 1,137,224	$ 1,059,528
Intercompany Revenue	0	0
Cost of services (excluding depreciation and amortization shown below)	192,838	185,168	568,125	564,916
Selling, General and Administrative Expense	91,241	68,099	283,517	255,488
Depreciation and amortization	36,440	35,765	109,631	100,636
Impairment loss	0	667	58	4,888
(Loss)/income from continuing operations	65,920	77,755	175,893	133,600
Interest Income (Expense), Net	(16,562)	(17,528)	(45,537)	(49,464)
Gain/(loss) on investment and other, net	(2,448)	183	(3,494)	2,825
(Benefit)/provision for income taxes	21,765	14,319	47,387	23,070
Equity in earnings of affiliates, net of tax	3,497	4,032	11,931	10,289
Equity in earnings of subsidiary, net of tax	0	0
Net income from continuing operations	28,642	50,123	91,406	74,180
Loss from discontinued operations, net of tax	(117)	(4,856)	(445)	(15,219)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	0	476	0	476
Net income/(loss)	28,525	45,743	90,961	59,437
Less: Net loss attributable to noncontrolling interests	357	404	823	899
Net income attributable to CoreLogic	28,168	45,339	90,138	58,538
Total other comprehensive income/(loss)	(26,808)	(25,637)	(48,267)	(6,305)
Less: Comprehensive income attributable to the noncontrolling interests	357	404	823	899
Comprehensive income attributable to CoreLogic	1,360	19,702	41,871	52,233
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	18,738	9,289	51,417	40,975
Depreciation and amortization	1,326	1,212	3,802	3,606
Impairment loss	0	0	0	0
(Loss)/income from continuing operations	(20,064)	(10,501)	(55,219)	(44,581)
Interest Income (Expense), Net	(15,748)	(17,321)	(42,892)	(48,029)
Gain/(loss) on investment and other, net	(2,448)	(398)	(3,416)	(3,413)
(Benefit)/provision for income taxes	(14,206)	(16,279)	(42,777)	(41,306)
Equity in earnings of affiliates, net of tax	0	0	0	0
Equity in earnings of subsidiary, net of tax	52,222	57,280	148,888	113,255
Net income from continuing operations	28,168	45,339	90,138	58,538
Loss from discontinued operations, net of tax	0	0	0	0
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		0		0
Net income/(loss)	28,168	45,339	90,138	58,538
Less: Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to CoreLogic	28,168	45,339	90,138	58,538
Total other comprehensive income/(loss)	(26,808)	(25,637)	(48,267)	(6,305)
Less: Comprehensive income attributable to the noncontrolling interests	0	0	0	0
Comprehensive income attributable to CoreLogic	1,360	19,702	41,871	52,233
Guarantor Subsidiaries [Member]
Operating revenues	355,304	329,057	1,041,209	954,224
Intercompany Revenue	0	0	0	0
Cost of services (excluding depreciation and amortization shown below)	180,987	171,419	532,377	523,455
Selling, General and Administrative Expense	66,753	47,112	207,798	184,277
Depreciation and amortization	29,652	27,846	88,354	77,271
Impairment loss	0	667	58	4,888
(Loss)/income from continuing operations	77,912	82,013	212,622	164,333
Interest Income (Expense), Net	(313)	(80)	(1,109)	(194)
Gain/(loss) on investment and other, net	0	31	0	5,688
(Benefit)/provision for income taxes	32,910	30,786	83,454	59,657
Equity in earnings of affiliates, net of tax	3,712	4,032	12,567	10,289
Equity in earnings of subsidiary, net of tax	0	0	0	0
Net income from continuing operations	48,401	55,210	140,626	120,459
Loss from discontinued operations, net of tax	(117)	(4,856)	(445)	(15,219)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		(1,060)		(1,060)
Net income/(loss)	48,284	49,294	140,181	104,180
Less: Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to CoreLogic	48,284	49,294	140,181	104,180
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	48,284	49,294	140,181	104,180
Non-Guarantor Subsidiaries [Member]
Operating revenues	31,135	38,397	96,015	105,304
Intercompany Revenue	158	182	537	475
Cost of services (excluding depreciation and amortization shown below)	11,855	13,768	35,784	41,478
Selling, General and Administrative Expense	5,904	11,861	24,803	30,694
Depreciation and amortization	5,462	6,707	17,475	19,759
Impairment loss	0	0	0	0
(Loss)/income from continuing operations	8,072	6,243	18,490	13,848
Interest Income (Expense), Net	(501)	(127)	(1,536)	(1,241)
Gain/(loss) on investment and other, net	0	550	(78)	550
(Benefit)/provision for income taxes	3,061	(188)	6,710	4,719
Equity in earnings of affiliates, net of tax	(215)	0	(636)	0
Equity in earnings of subsidiary, net of tax	0	0	0	0
Net income from continuing operations	4,295	6,854	9,530	8,438
Loss from discontinued operations, net of tax	0	0	0	0
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		1,536		1,536
Net income/(loss)	4,295	8,390	9,530	9,974
Less: Net loss attributable to noncontrolling interests	357	404	823	899
Net income attributable to CoreLogic	3,938	7,986	8,707	9,075
Total other comprehensive income/(loss)	(23,934)	(26,251)	(45,080)	(8,709)
Less: Comprehensive income attributable to the noncontrolling interests	357	404	823	899
Comprehensive income attributable to CoreLogic	(19,996)	(18,265)	(36,373)	366
Consolidation, Eliminations [Member]
Operating revenues	0	0	0	0
Intercompany Revenue	(158)	(182)	(537)	(475)
Cost of services (excluding depreciation and amortization shown below)	(4)	(19)	(36)	(17)
Selling, General and Administrative Expense	(154)	(163)	(501)	(458)
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	(52,222)	(57,280)	(148,888)	(113,255)
Net income from continuing operations	(52,222)	(57,280)	(148,888)	(113,255)
Loss from discontinued operations, net of tax	0	0	0	0
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		0		0
Net income/(loss)	(52,222)	(57,280)	(148,888)	(113,255)
Less: Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to CoreLogic	(52,222)	(57,280)	(148,888)	(113,255)
Total other comprehensive income/(loss)	23,934	26,251	45,080	8,709
Less: Comprehensive income attributable to the noncontrolling interests	0	0	0	0
Comprehensive income attributable to CoreLogic	$ (28,288)	(31,029)	(103,808)	(104,546)
Total [Member]
Operating revenues			1,137,224	1,059,528
Intercompany Revenue			0	0
Cost of services (excluding depreciation and amortization shown below)			568,125	564,916
Selling, General and Administrative Expense			283,517	255,488
Depreciation and amortization			109,631	100,636
Impairment loss			58	4,888
(Loss)/income from continuing operations			175,893	133,600
Interest Income (Expense), Net			(45,537)	(49,464)
Gain/(loss) on investment and other, net			(3,494)	2,825
(Benefit)/provision for income taxes			47,387	23,070
Equity in earnings of affiliates, net of tax			11,931	10,289
Equity in earnings of subsidiary, net of tax			0	0
Net income from continuing operations			91,406	74,180
Loss from discontinued operations, net of tax			(445)	(15,219)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		$ 476		476
Net income/(loss)			90,961	59,437
Less: Net loss attributable to noncontrolling interests			823	899
Net income attributable to CoreLogic			90,138	58,538
Total other comprehensive income/(loss)			(48,267)	(6,305)
Less: Comprehensive income attributable to the noncontrolling interests			823	899
Comprehensive income attributable to CoreLogic			$ 41,871	$ 52,233