Goodwill, Trade Names, and Other Intangible Assets - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended					12 Months Ended
	Oct. 01, 2018	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2020	Dec. 31, 2019	Oct. 01, 2019
Goodwill and Intangible Assets Disclosure [Line Items]
Carrying amount		$ 44,957			$ 55,182			$ 44,957
Nurse and Allied Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment of intangibles indefinite lived				$ 14,500
Physician Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill impairment charge					17,200	$ 5,700
Additional Brand
Goodwill and Intangible Assets Disclosure [Line Items]
Weighted average amortization period if not accelerated								7 years 6 months
Trade names
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of assets					100
Impact on net (loss) income per share								$ 0.08
Weighted average amortization period if not accelerated								7 years 9 months 19 days
Carrying amount	$ 1,100	3,375			7,183			$ 3,375
Intangible assets- useful life	3 years
Trade names | Nurse and Allied Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of assets		$ 2,000		100
Trade names | Physician Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of assets			$ 300	500
Maximum
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible assets- useful life								16 years
Maximum | Search Reporting Unit
Goodwill and Intangible Assets Disclosure [Line Items]
Percentage of fair value in excess of carrying amount									20.00%
Trade names | Nurse and Allied Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment of intangibles indefinite lived				$ 14,500
Trade names | Physician Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Impairment of intangibles indefinite lived					$ 5,200	$ 8,700
Operating Segments
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill reassigned								$ 0
Operating Segments | Search
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill reassigned								2,443
Operating Segments | Nurse and Allied Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill reassigned								(2,443)
Operating Segments | Physician Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill reassigned								0
Accelerated Amortization | Trade names | Nurse and Allied Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of assets								2,100
Accelerated Amortization | Trade names | Physician Staffing
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of assets								$ 800
Accelerated Amortization | Forecast | Additional Brand
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization of assets							$ 2,900