Discontinued Operations (Financial Statement Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
(Loss)/income from discontinued operations, net of tax	$ (468)	$ (936)	$ (4)	$ (58)	$ (111)	$ (117)	$ (217)	$ (111)	$ (1,466)	$ (556)	$ (16,653)
Discontinued Operations, Disposed of by Sale [Member] | Asset Management and Processing Solutions [Member]
Income Statement [Abstract]
Operating revenue											94,039
Discontinued Operations, Disposed of by Sale [Member] | Components Total [Member]
Income Statement [Abstract]
Operating revenue									0	0	94,039
(Loss)/income from discontinued operations before income taxes									(2,385)	(900)	(24,268)
(Benefit)/Provision for income taxes									(919)	(344)	(7,615)
(Loss)/income from discontinued operations, net of tax									(1,466)	(556)	(16,653)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	662				681				662	681
Accounts payable, accrued expenses and other liabilities	3,123				2,527				3,123	2,527
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
(Loss)/income from discontinued operations before income taxes									(890)	(230)	7,188
(Benefit)/Provision for income taxes									(343)	(88)	4,520
(Loss)/income from discontinued operations, net of tax									(547)	(142)	2,668
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	568				572				568	572
Accounts payable, accrued expenses and other liabilities	2,130				1,958				2,130	1,958
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
(Loss)/income from discontinued operations before income taxes									(1,600)	0	0
(Benefit)/Provision for income taxes									(612)	0	0
(Loss)/income from discontinued operations, net of tax									(988)	0	0
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	0				0				0	0
Accounts payable, accrued expenses and other liabilities	624				0				624	0
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
(Loss)/income from discontinued operations before income taxes									142	(20)	(30,739)
(Benefit)/Provision for income taxes									50	(52)	(11,785)
(Loss)/income from discontinued operations, net of tax									92	32	(18,954)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	(231)				(217)				(231)	(217)
Accounts payable, accrued expenses and other liabilities	167				319				167	319
Discontinued Operations, Disposed of by Sale [Member] | Discontinued Operations Marketing [Member] | Property Intelligence [Member]
Income Statement [Abstract]
Operating revenue									0	0	0
(Loss)/income from discontinued operations before income taxes									(37)	(650)	(717)
(Benefit)/Provision for income taxes									(14)	(204)	(350)
(Loss)/income from discontinued operations, net of tax									(23)	(446)	$ (367)
Statement of Financial Position [Abstract]
Deferred income tax asset and other current assets	325				326				325	326
Accounts payable, accrued expenses and other liabilities	$ 202				$ 250				$ 202	$ 250