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Discontinued Operations (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 01, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from Divestiture of Businesses, Net of Cash Divested |  | $ 0 | $ 6,000 | $ 115,440
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax |  | 0 | 0 | 25,703
Cash Provided by (Used in) Operating Activities, Discontinued Operations |  |  |  | (1,778)
Disposal Group, Including Discontinued Operation, Revenue |  |  |  | 12,068
Disposal Group Including Discontinued Operations Cost of Services |  |  |  | 8,653
Disposal Group, Including Discontinued Operation, Gross Profit (Loss) |  |  |  | 3,415
Disposal Group, Including Discontinued Operation, General and Administrative Expense |  |  |  | 2,385
Disposal Group Including Discontinued Operations Amortization of Intangible Assets |  |  |  | 155
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax |  |  |  | 875
Discontinued Operation, Tax Effect of Discontinued Operation |  |  |  | 350
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent |  | $ (199) | $ 5 | $ 525
Physician Segment [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from Divestiture of Businesses | $ 123,000 |  |  |
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax | 25,700 |  |  |
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation | $ 14,400 |  |  |

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