Income Taxes (Current and Deferred) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Deferred:
Deferred income tax expense (benefit)	$ (40,769)	$ 18,213	$ 35,110
Total income tax provision	18,172	54,524	57,394
Affiliates [Member]
Current:
Federal	(638)	871	7,910
State	(96)	142	1,190
Foreign	0	0	0
Current income tax expense (benefit)	(734)	1,013	9,100
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	(734)	1,013	9,100
Continuing Operations [Member] | CoreLogic [Member]
Current:
Federal	51,906	28,232	17,108
State	3,872	9,187	2,166
Foreign	4,268	2,881	3,394
Current income tax expense (benefit)	60,046	40,300	22,668
Deferred:
Federal	(42,012)	12,186	29,561
State	(2,293)	(267)	3,562
Foreign	2,431	2,305	1,603
Deferred income tax expense (benefit)	(41,874)	14,224	34,726
Total income tax provision	$ 18,172	$ 54,524	$ 57,394