Discontinued Operations (Financial Statement Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Statement [Abstract]
Gain/(loss) from discontinued operations, net of tax	$ (74)	$ (936)	$ 2,421	$ (998)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	744		744		$ 662
Discontinued Operations, Disposed of by Sale [Member] | Components Total [Member]
Income Statement [Abstract]
Operating revenue	0	0	0	0
Gain/(loss) from discontinued operations before income taxes	(120)	(1,517)	3,920	(1,616)
Income tax expense/(benefit)	(46)	(581)	1,499	(618)
Gain/(loss) from discontinued operations, net of tax	(74)	(936)	2,421	(998)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	744		744		662
Accounts payable, accrued expenses and other current liabilities	2,014		2,014		3,123
Discontinued Operations, Disposed of by Sale [Member] | Asset Management and Processing Solutions [Member] | Asset Management and Processing Solutions [Member]
Income Statement [Abstract]
Operating revenue	0	0	0	0
Gain/(loss) from discontinued operations before income taxes	(1)	(529)	4,154	(624)
Income tax expense/(benefit)	(1)	(203)	1,589	(239)
Gain/(loss) from discontinued operations, net of tax	0	(326)	2,565	(385)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	568		568		568
Accounts payable, accrued expenses and other current liabilities	1,658		1,658		2,130
Discontinued Operations, Disposed of by Sale [Member] | Employer And Litigation Services [Member] | Employer And Litigation Services [Member]
Income Statement [Abstract]
Operating revenue	0	0	0	0
Gain/(loss) from discontinued operations before income taxes	(193)	(948)	(445)	(948)
Income tax expense/(benefit)	(74)	(363)	(170)	(362)
Gain/(loss) from discontinued operations, net of tax	(119)	(585)	(275)	(586)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	82		82		0
Accounts payable, accrued expenses and other current liabilities	190		190		624
Discontinued Operations, Disposed of by Sale [Member] | Discontinued Operations Appraisal [Member] | Risk Management and Work Flow [Member]
Income Statement [Abstract]
Operating revenue	0	0	0	0
Gain/(loss) from discontinued operations before income taxes	7	(4)	6	(7)
Income tax expense/(benefit)	3	(1)	2	(3)
Gain/(loss) from discontinued operations, net of tax	4	(3)	4	(4)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	(231)		(231)		(231)
Accounts payable, accrued expenses and other current liabilities	154		154		167
Discontinued Operations, Disposed of by Sale [Member] | Discontinued Operations Marketing [Member] | Property Intelligence [Member]
Income Statement [Abstract]
Operating revenue	0	0	0	0
Gain/(loss) from discontinued operations before income taxes	67	(36)	205	(37)
Income tax expense/(benefit)	26	(14)	78	(14)
Gain/(loss) from discontinued operations, net of tax	41	$ (22)	127	$ (23)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	325		325		325
Accounts payable, accrued expenses and other current liabilities	$ 12		$ 12		$ 202