Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating revenue	$ 1,567,633	$ 1,338,547	$ 1,280,276
Cost of services (exclusive of depreciation and amortization below)	839,593	749,064	683,883
Selling, general and administrative expenses	372,066	385,252	387,829
Depreciation and amortization	133,714	115,546	94,881
Total operating expenses	1,345,373	1,249,862	1,166,593
Operating income	222,260	88,685	113,683
Interest expense:
Interest income	3,056	4,827	4,269
Interest expense	55,524	63,117	34,494
Total interest expense, net	(52,468)	(58,290)	(30,225)
(Loss)/gain on investments and other, net	(2,516)	60,005	(10,885)
Income from continuing operations before equity in earnings of affiliates and income taxes	167,276	90,400	72,573
Provision for income taxes	80,396	67,175	30,323
Income from continuing operations before equity in earnings of affiliates	86,880	23,225	42,250
Equity in earnings of affiliates, net of tax	35,983	30,270	41,641
Net income from continuing operations	122,863	53,495	83,891
Loss from discontinued operations, net of tax	(15,056)	(127,124)	(83,536)
Gain/(loss) from sale of discontinued operations, net of tax	3,841	0	(18,985)
Net income/(loss)	111,648	(73,629)	(18,630)
Less: Net (loss)/income attributable to noncontrolling interests	(645)	980	37,670
Net income/(loss) attributable to CoreLogic	112,293	(74,609)	(56,300)
Amounts attributable to CoreLogic:
Income from continuing operations, net of tax	123,508	52,515	46,221
Loss from discontinued operations, net of tax	(15,056)	(127,124)	(83,536)
Gain/(loss) from sale of discontinued operations, net of tax	3,841	0	(18,985)
Net income/(loss) attributable to CoreLogic	$ 112,293	$ (74,609)	$ (56,300)
Basic income/(loss) per share:
Income from continuing operations, net of tax (in dollars per share)	$ 1.20	$ 0.48	$ 0.41
Loss from discontinued operations, net of tax (in dollars per share)	$ (0.15)	$ (1.16)	$ (0.75)
Gain/(loss) from sale of discontinued operations, net of tax (in dollars per share)	$ 0.04	$ 0.00	$ (0.17)
Net income/(loss) attributable to CoreLogic (in dollars per share)	$ 1.09	$ (0.68)	$ (0.51)
Diluted income/(loss) per share:
Income from continuing operations, net of tax (in dollars per share)	$ 1.19	$ 0.48	$ 0.41
Loss from discontinued operations, net of tax (in dollars per share)	$ (0.14)	$ (1.16)	$ (0.74)
Gain/(loss) from sale of discontinued operations, net of tax (in dollars per share)	$ 0.04	$ 0.00	$ (0.17)
Net income/(loss) attributable to CoreLogic (in dollars per share)	$ 1.09	$ (0.68)	$ (0.50)
Weighted-average common shares outstanding:
Basic (in shares)	102,913	109,122	111,529
Diluted (in shares)	104,050	109,712	112,363