Discontinued Operations (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Less: (Loss)/gain from sale of discontinued operations, net of tax	$ (5,052,000)	$ 12,264,000	$ (5,052,000)	$ 9,277,000
Income Statement [Abstract]
(Loss)/income from discontinued operations, net of tax	(1,240,000)	(10,157,000)	(3,205,000)	(18,142,000)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(1,240,000)	(10,157,000)	(3,205,000)	(18,142,000)
Discontinued Operations Appraisal [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, not discontinued operation, loss on write-down of goodwill		13,900,000
Components Total [Member]
Statement of Financial Position [Abstract]
Total assets	791,000		791,000		794,000
Total liabilities	4,148,000		4,148,000		3,352,000
Income Statement [Abstract]
Operating revenue	0	26,991,000	0	127,345,000
(Loss)/income from discontinued operation before income taxes	(2,007,000)	(7,511,000)	(5,190,000)	(20,094,000)
Income tax expense/(benefit)	(767,000)	2,646,000	(1,985,000)	(1,952,000)
(Loss)/income from discontinued operations, net of tax	(1,240,000)	(10,157,000)	(3,205,000)	(18,142,000)
Data and analytics [Member] | Marketing [Member]
Statement of Financial Position [Abstract]
Total assets	204,000		204,000		204,000
Total liabilities	1,170,000		1,170,000		776,000
Income Statement [Abstract]
Operating revenue	0	0	0	0
(Loss)/income from discontinued operation before income taxes	(812,000)	(66,000)	(1,429,000)	111,000
Income tax expense/(benefit)	(311,000)	3,972,000	(547,000)	4,041,000
(Loss)/income from discontinued operations, net of tax	(501,000)	(4,038,000)	(882,000)	(3,930,000)
Data and analytics [Member] | Consumer [Member]
Statement of Financial Position [Abstract]
Total assets	251,000		251,000		251,000
Total liabilities	88,000		88,000		691,000
Income Statement [Abstract]
Operating revenue	0	8,410,000	0	55,773,000
(Loss)/income from discontinued operation before income taxes	0	(348,000)	196,000	5,177,000
Income tax expense/(benefit)	0	(122,000)	75,000	2,030,000
(Loss)/income from discontinued operations, net of tax	0	(226,000)	121,000	3,147,000
Mortgage origination services [Member] | Discontinued Operations Appraisal [Member]
Statement of Financial Position [Abstract]
Total assets	336,000		336,000		337,000
Total liabilities	2,927,000		2,927,000		1,920,000
Income Statement [Abstract]
Operating revenue	0	6,938,000
(Loss)/income from discontinued operation before income taxes	(1,195,000)	(7,121,000)
Income tax expense/(benefit)	(456,000)	(1,199,000)
(Loss)/income from discontinued operations, net of tax	(739,000)	(5,922,000)
Mortgage origination services [Member] | Transportation [Member]
Income Statement [Abstract]
Operating revenue			0	46,435,000
(Loss)/income from discontinued operation before income taxes			0	(1,707,000)
Income tax expense/(benefit)			0	(1,780,000)
(Loss)/income from discontinued operations, net of tax			0	73,000
Default services [Member] | Discontinued Operations Appraisal [Member]
Income Statement [Abstract]
Operating revenue			0	25,137,000
(Loss)/income from discontinued operation before income taxes			(3,957,000)	(23,675,000)
Income tax expense/(benefit)			(1,513,000)	(6,243,000)
(Loss)/income from discontinued operations, net of tax			(2,444,000)	(17,432,000)
Default services [Member] | Transportation [Member]
Statement of Financial Position [Abstract]
Total assets	0		0		2,000
Total liabilities	(37,000)		(37,000)		(35,000)
Income Statement [Abstract]
Operating revenue	0	11,643,000
(Loss)/income from discontinued operation before income taxes	0	24,000
Income tax expense/(benefit)	0	(5,000)
(Loss)/income from discontinued operations, net of tax	$ 0	$ 29,000