Income Taxes (Current and Deferred) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CoreLogic [Member]
Current:
Federal	$ 39,683	$ 50,105	$ 11,297
State	7,823	9,464	14,431
Foreign	(3,358)	13,670	634
Current income tax expense (benefit)	44,148	73,239	26,362
Deferred:
Federal	24,111	(1,799)	11,446
State	2,442	(267)	(4,576)
Foreign	9,695	(3,998)	(2,909)
Deferred income tax expense (benefit)	36,248	(6,064)	3,961
Total Income Tax Provision/(Benefit)	80,396	67,175	30,323
Affiliates [Member]
Current:
Federal	18,929	16,180	22,422
State	2,846	2,951	5,320
Foreign	323	94	0
Current income tax expense (benefit)	22,098	19,225	27,742
Deferred:
Federal	0	0	0
State	0	0	0
Foreign	0	0	0
Deferred income tax expense (benefit)	0	0	0
Total Income Tax Provision/(Benefit)	$ 22,098	$ 19,225	$ 27,742