Guarantor Subsidiaries (Income Statement) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Operating Revenue	$ 349,421,000	$ 348,201,000	$ 659,838,000	$ 679,501,000
Intercompany Revenue	0
Cost of services (excluding depreciation and amortization shown below)	182,222,000	168,060,000	359,603,000	335,689,000
Selling, General and Administrative Expense	89,763,000	98,476,000	179,709,000	180,667,000
Depreciation and amortization	35,333,000	34,154,000	64,772,000	68,295,000
(Loss)/income from continuing operations	42,103,000	47,511,000	55,754,000	94,850,000
Interest Income (Expense), Net	(16,280,000)	(11,753,000)	(31,936,000)	(23,405,000)
Gain/(loss) on investment and other, net	6,992,000	393,000	2,642,000	1,734,000
(Benefit)/provision for income taxes	11,305,000	13,529,000	10,942,000	27,751,000
Equity in earnings of affiliates, net of tax	3,874,000	9,347,000	6,257,000	18,132,000
Equity in earnings of subsidiary, net of tax	0
Net income from continuing operations	25,384,000	31,969,000	21,775,000	63,560,000
(Loss)/income from discontinued operations, net of tax	(9,165,000)	11,581,000	(8,082,000)	15,277,000
Gain on sale of discontinued operations, net of tax	0	0	0	(1,744,000)
Net income/(loss)	16,219,000	43,550,000	13,693,000	77,093,000
Less: Net loss attributable to noncontrolling interests	230,000	0	495,000	(26,000)
Net income attributable to CoreLogic	15,989,000	43,550,000	13,198,000	77,119,000
Total other comprehensive income/(loss)	6,342,000	(37,933,000)	19,332,000	(38,472,000)
Less: Comprehensive income/(loss) attributable to the noncontrolling interests	230,000	0	495,000	(26,000)
Comprehensive income attributable to CoreLogic	22,331,000	5,617,000	32,530,000	38,647,000
Parent [Member]
Operating Revenue	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	13,094,000	20,920,000	31,685,000	37,452,000
Depreciation and amortization	1,245,000	844,000	2,394,000	1,694,000
(Loss)/income from continuing operations	(14,339,000)	(21,764,000)	(34,079,000)	(39,146,000)
Interest Income (Expense), Net	(15,724,000)	(11,750,000)	(30,710,000)	(23,448,000)
Gain/(loss) on investment and other, net	976,000	393,000	(3,014,000)	1,734,000
(Benefit)/provision for income taxes	1,789,000	(11,942,000)	(22,891,000)	(22,979,000)
Equity in earnings of affiliates, net of tax	0	0	0	0
Equity in earnings of subsidiary, net of tax	46,865,000	64,729,000	58,110,000	115,000,000
Net income from continuing operations	15,989,000	43,550,000	13,198,000	77,119,000
(Loss)/income from discontinued operations, net of tax	0	0	0	0
Gain on sale of discontinued operations, net of tax				0
Net income/(loss)	15,989,000	43,550,000	13,198,000	77,119,000
Less: Net loss attributable to noncontrolling interests	0		0	0
Net income attributable to CoreLogic	15,989,000	43,550,000	13,198,000	77,119,000
Total other comprehensive income/(loss)	6,342,000	(37,933,000)	19,332,000	(38,472,000)
Less: Comprehensive income/(loss) attributable to the noncontrolling interests	0		0	0
Comprehensive income attributable to CoreLogic	22,331,000	5,617,000	32,530,000	38,647,000
Guarantor Subsidiaries [Member]
Operating Revenue	313,713,000	324,261,000	592,931,000	632,596,000
Intercompany Revenue	0	0	0	0
Cost of services (excluding depreciation and amortization shown below)	167,778,000	159,348,000	331,889,000	317,554,000
Selling, General and Administrative Expense	66,718,000	69,081,000	129,488,000	126,643,000
Depreciation and amortization	27,393,000	27,339,000	49,327,000	54,860,000
(Loss)/income from continuing operations	51,824,000	68,493,000	82,227,000	133,539,000
Interest Income (Expense), Net	(19,000)	(143,000)	(112,000)	(264,000)
Gain/(loss) on investment and other, net	6,016,000	0	5,656,000	0
(Benefit)/provision for income taxes	18,667,000	25,701,000	28,926,000	50,428,000
Equity in earnings of affiliates, net of tax	3,874,000	9,123,000	6,257,000	17,574,000
Equity in earnings of subsidiary, net of tax	0	0	0	0
Net income from continuing operations	43,028,000	51,772,000	65,102,000	100,421,000
(Loss)/income from discontinued operations, net of tax	(9,165,000)	11,581,000	(8,082,000)	15,449,000
Gain on sale of discontinued operations, net of tax				(1,744,000)
Net income/(loss)	33,863,000	63,353,000	57,020,000	114,126,000
Less: Net loss attributable to noncontrolling interests	0		0	0
Net income attributable to CoreLogic	33,863,000	63,353,000	57,020,000	114,126,000
Total other comprehensive income/(loss)	0	0	0	0
Less: Comprehensive income/(loss) attributable to the noncontrolling interests	0		0	0
Comprehensive income attributable to CoreLogic	33,863,000	63,353,000	57,020,000	114,126,000
Non-Guarantor Subsidiaries [Member]
Operating Revenue	35,708,000	23,940,000	66,907,000	46,905,000
Intercompany Revenue	90,000	179,000	293,000	346,000
Cost of services (excluding depreciation and amortization shown below)	14,383,000	8,891,000	27,711,000	18,481,000
Selling, General and Administrative Expense	10,102,000	8,475,000	18,832,000	16,572,000
Depreciation and amortization	6,695,000	5,971,000	13,051,000	11,741,000
(Loss)/income from continuing operations	4,618,000	782,000	7,606,000	457,000
Interest Income (Expense), Net	(537,000)	140,000	(1,114,000)	307,000
Gain/(loss) on investment and other, net	0	0	0	0
(Benefit)/provision for income taxes	(9,151,000)	(230,000)	4,907,000	302,000
Equity in earnings of affiliates, net of tax	0	224,000	0	558,000
Equity in earnings of subsidiary, net of tax	0	0	0	0
Net income from continuing operations	13,232,000	1,376,000	1,585,000	1,020,000
(Loss)/income from discontinued operations, net of tax	0	0	0	(172,000)
Gain on sale of discontinued operations, net of tax				0
Net income/(loss)	13,232,000	1,376,000	1,585,000	848,000
Less: Net loss attributable to noncontrolling interests	230,000		495,000	(26,000)
Net income attributable to CoreLogic	13,002,000	1,376,000	1,090,000	874,000
Total other comprehensive income/(loss)	7,041,000	(39,000,000)	17,541,000	(39,934,000)
Less: Comprehensive income/(loss) attributable to the noncontrolling interests	230,000		495,000	(26,000)
Comprehensive income attributable to CoreLogic	20,043,000	(37,624,000)	18,631,000	(39,060,000)
Consolidation, Eliminations [Member]
Operating Revenue	0	0	0	0
Intercompany Revenue	(90,000)	(179,000)	(293,000)	(346,000)
Cost of services (excluding depreciation and amortization shown below)	61,000	(179,000)	3,000	(346,000)
Selling, General and Administrative Expense	(151,000)	0	(296,000)	0
Depreciation and amortization	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	(46,865,000)	(64,729,000)	(58,110,000)	(115,000,000)
Net income from continuing operations	(46,865,000)	(64,729,000)	(58,110,000)	(115,000,000)
(Loss)/income from discontinued operations, net of tax	0	0	0	0
Gain on sale of discontinued operations, net of tax				0
Net income/(loss)	(46,865,000)	(64,729,000)	(58,110,000)	(115,000,000)
Less: Net loss attributable to noncontrolling interests	0		0	0
Net income attributable to CoreLogic	(46,865,000)	(64,729,000)	(58,110,000)	(115,000,000)
Total other comprehensive income/(loss)	(7,041,000)	39,000,000	(17,541,000)	39,934,000
Less: Comprehensive income/(loss) attributable to the noncontrolling interests	0		0	0
Comprehensive income attributable to CoreLogic	(53,906,000)	(25,729,000)	(75,651,000)	(75,066,000)
Total [Member]
Operating Revenue		348,201,000	659,838,000	679,501,000
Intercompany Revenue		0	0	0
Cost of services (excluding depreciation and amortization shown below)		168,060,000	359,603,000	335,689,000
Selling, General and Administrative Expense		98,476,000	179,709,000	180,667,000
Depreciation and amortization		34,154,000	64,772,000	68,295,000
(Loss)/income from continuing operations		47,511,000	55,754,000	94,850,000
Interest Income (Expense), Net		(11,753,000)	(31,936,000)
Interest Expense Net				(23,405,000)
Gain/(loss) on investment and other, net		393,000	2,642,000	1,734,000
(Benefit)/provision for income taxes		13,529,000	10,942,000	27,751,000
Equity in earnings of affiliates, net of tax		9,347,000	6,257,000	18,132,000
Equity in earnings of subsidiary, net of tax		0	0	0
Net income from continuing operations		31,969,000	21,775,000	63,560,000
(Loss)/income from discontinued operations, net of tax		11,581,000	(8,082,000)	15,277,000
Gain on sale of discontinued operations, net of tax				(1,744,000)
Net income/(loss)		43,550,000	13,693,000	77,093,000
Less: Net loss attributable to noncontrolling interests			495,000	(26,000)
Net income attributable to CoreLogic		43,550,000	13,198,000	77,119,000
Total other comprehensive income/(loss)		(37,933,000)	19,332,000	(38,472,000)
Less: Comprehensive income/(loss) attributable to the noncontrolling interests			495,000	(26,000)
Comprehensive income attributable to CoreLogic		$ 5,617,000	$ 32,530,000	$ 38,647,000