Discontinued Operations - Additional Information (Detail) - USD ($) shares in Thousands		12 Months Ended
	Aug. 03, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation expense		$ 6,700,000	$ 5,800,000	$ 5,500,000
Stock Purchase Agreement | RCM Acquisition, Inc. | Private Placement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification obligations period	12 months
Stock Purchase Agreement | RCM Acquisition, Inc. | Indemnification Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification deductible	$ 1,190,000
Indemnification aggregate cap	8,925,000
Discontinued Operations, Disposed of by Sale | Kforce Healthcare, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations, net of transaction costs				94,300,000
Gain on sale of discontinued operations, after tax				56,100,000
Transaction costs				11,000,000
Accelerated stock compensation expenses				$ 600,000
Income tax expense as a percentage of income from discontinued operations				40.60%
Discontinued Operations, Disposed of by Sale | Kforce Healthcare, Inc. | Common Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation expense				$ 1,800,000
Common stock issued (in shares)				92
Discontinued Operations, Disposed of by Sale | Kforce Healthcare, Inc. | RCM Acquisition, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash purchase price	119,000,000
Post-closing working capital adjustment	$ 96,000
Discontinued Operations, Disposed of by Sale | Kforce Healthcare, Inc. | Transition Services Agreement | RCM Acquisition, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Post-closing transitional services period	12 months