Discontinued Operations Statement of Operations, Disposal Group (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	$ 0	$ 624
Cost of services (exclusive of facility rent, general and administrative and depreciation and amortization expense shown separately below)	0	(621)
Charges to discontinued operations for the excess carrying amount of goodwill and other indefinite-lived intangible assets	0	(2,824)
Facility rent - cost of services	0	(7)
Depreciation and amortization	0	(32)
Loss from discontinued operations	0	(2,860)
Benefit from income taxes	0	(1,112)
Loss from discontinued operation, net of income tax benefit	$ 0	$ (1,748)