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Segment Data - Additional Information (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Aug. 31, 2015
USD ($)
Jun. 30, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
segment
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Segment Reporting Information [Line Items]            
Number of operating segments | segment       3    
Increase (decrease) in contribution income       $ 79,722 $ 67,794 $ 43,540
Loss on sale of business       0 2,184 0
Impairment charges   $ 24,300 $ 2,100 $ 24,311 2,100 $ 10,000
Adjustment | Contribution Income, Nurse and Allied Staffing            
Segment Reporting Information [Line Items]            
Increase (decrease) in contribution income         (1,200)  
Adjustment | Unallocated Corporate Overhead            
Segment Reporting Information [Line Items]            
Increase (decrease) in contribution income         1,200  
Cross Country Education, LLC | Disposal Group, Disposed of by Sale, Not Discontinued Operations            
Segment Reporting Information [Line Items]            
Loss on sale of business $ 2,200       $ 2,200