Goodwill, Trade Names, and Other Intangible Assets - Narrative (Detail)	3 Months Ended			12 Months Ended
	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment charges	$ 24,300,000	$ 2,100,000		$ 24,311,000	$ 2,100,000	$ 10,000,000
Goodwill impairment charge					$ 0	$ 0
Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment charges	24,300,000
Goodwill impairment charge	17,700,000
Trade Names | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment of intangibles indefinite lived	600,000
Customer Relationships | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment of intangibles finite lived	$ 6,000,000
Income Approach Valuation Technique | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Discount rate percentage	13.50%
Terminal value growth rate percentage	3.00%
Income Approach Valuation Technique | Customer Relationships | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Discount rate percentage	13.50%
Income and Market Approach Valuation Technique | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Forecast period	10 years
Minimum | Income and Market Approach Valuation Technique | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Weighted applied percentage	50.00%
Minimum | Market Approach Valuation Technique | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Ratio of total enterprise value by EBITDA	7.5
Maximum | Market Approach Valuation Technique | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Ratio of total enterprise value by EBITDA	8.5
Trade Names | Physician Staffing Segment
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment of intangibles indefinite lived		$ 2,100,000	$ 10,000,000