Guarantor Subsidiaries (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating revenues	$ 453,543	$ 364,772
Intercompany revenues	0	0
Cost of services (excluding depreciation and amortization shown below)	245,377	185,543
Selling, General and Administrative Expense	111,211	93,986
Depreciation and amortization	39,644	35,978
Operating income	57,311	49,265
Total interest expense, net	(13,653)	(12,377)
Loss on investments and other, net	(251)	309
(Benefit)/provision for income taxes	15,779	11,465
Equity in earnings/(loss) of affiliates, net of tax	(90)	3,766
Equity in earnings of subsidiary, net of tax	0	0
Net income from continuing operations, net of tax	27,538	29,498
Loss from discontinued operations, net of tax	(58)	(111)
Net income	27,480	29,387
Less: Net loss attributable to noncontrolling interests	0	208
Net income/(loss) attributable to CoreLogic	27,480	29,179
Total other comprehensive income/(loss)	9,283	(24,248)
Less: Comprehensive income attributable to the noncontrolling interests	0	208
Comprehensive income attributable to CoreLogic	36,763	4,931
Parent [Member]
Operating revenues	0	0
Intercompany revenues	0	0
Cost of services (excluding depreciation and amortization shown below)	0	0
Selling, General and Administrative Expense	4,791	18,998
Depreciation and amortization	1,117	1,253
Operating income	(5,908)	(20,251)
Total interest expense, net	(12,307)	(11,400)
Loss on investments and other, net	(251)	309
(Benefit)/provision for income taxes	(6,087)	(13,346)
Equity in earnings/(loss) of affiliates, net of tax	0	0
Equity in earnings of subsidiary, net of tax	39,859	47,175
Net income from continuing operations, net of tax	27,480	29,179
Loss from discontinued operations, net of tax	0	0
Net income	27,480	29,179
Less: Net loss attributable to noncontrolling interests		0
Net income/(loss) attributable to CoreLogic	27,480	29,179
Total other comprehensive income/(loss)	9,283	(24,248)
Less: Comprehensive income attributable to the noncontrolling interests		0
Comprehensive income attributable to CoreLogic	36,763	4,931
Guarantor Subsidiaries [Member]
Operating revenues	421,602	331,904
Intercompany revenues	0	0
Cost of services (excluding depreciation and amortization shown below)	235,338	173,720
Selling, General and Administrative Expense	88,975	68,419
Depreciation and amortization	32,275	28,648
Operating income	65,014	61,117
Total interest expense, net	(294)	(463)
Loss on investments and other, net	0	0
(Benefit)/provision for income taxes	23,015	22,159
Equity in earnings/(loss) of affiliates, net of tax	248	3,855
Equity in earnings of subsidiary, net of tax	0	0
Net income from continuing operations, net of tax	41,953	42,350
Loss from discontinued operations, net of tax	(58)	(111)
Net income	41,895	42,239
Less: Net loss attributable to noncontrolling interests		0
Net income/(loss) attributable to CoreLogic	41,895	42,239
Total other comprehensive income/(loss)	0	0
Less: Comprehensive income attributable to the noncontrolling interests		0
Comprehensive income attributable to CoreLogic	41,895	42,239
Non-Guarantor Subsidiaries [Member]
Operating revenues	31,941	32,868
Intercompany revenues	188	198
Cost of services (excluding depreciation and amortization shown below)	10,035	11,841
Selling, General and Administrative Expense	17,637	6,749
Depreciation and amortization	6,252	6,077
Operating income	(1,795)	8,399
Total interest expense, net	(1,052)	(514)
Loss on investments and other, net	0	0
(Benefit)/provision for income taxes	(1,149)	2,652
Equity in earnings/(loss) of affiliates, net of tax	(338)	(89)
Equity in earnings of subsidiary, net of tax	0	0
Net income from continuing operations, net of tax	(2,036)	5,144
Loss from discontinued operations, net of tax	0	0
Net income	(2,036)	5,144
Less: Net loss attributable to noncontrolling interests		208
Net income/(loss) attributable to CoreLogic	(2,036)	4,936
Total other comprehensive income/(loss)	11,595	(21,776)
Less: Comprehensive income attributable to the noncontrolling interests		208
Comprehensive income attributable to CoreLogic	9,559	(16,840)
Consolidation, Eliminations [Member]
Operating revenues	0	0
Intercompany revenues	(188)	(198)
Cost of services (excluding depreciation and amortization shown below)	4	(18)
Selling, General and Administrative Expense	(192)	(180)
Depreciation and amortization	0	0
Operating income	0	0
Total interest expense, net	0	0
Loss on investments and other, net	0	0
(Benefit)/provision for income taxes	0	0
Equity in earnings/(loss) of affiliates, net of tax	0	0
Equity in earnings of subsidiary, net of tax	(39,859)	(47,175)
Net income from continuing operations, net of tax	(39,859)	(47,175)
Loss from discontinued operations, net of tax	0	0
Net income	(39,859)	(47,175)
Less: Net loss attributable to noncontrolling interests		0
Net income/(loss) attributable to CoreLogic	(39,859)	(47,175)
Total other comprehensive income/(loss)	(11,595)	21,776
Less: Comprehensive income attributable to the noncontrolling interests		0
Comprehensive income attributable to CoreLogic	$ (51,454)	$ (25,399)