| Goodwill and Intangible Assets Disclosure [Abstract] | Period [Axis] | 
|---|
2012-01-01 - 2012-12-31  | 
|---|
Goodwill and Intangible Assets Disclosure [Abstract]  |    | 
Schedule of Acquired Intangible Assets by Major Class  | As of December 31, 2012 and 2011, the Company had the following acquired intangible assets:    |   |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |     | As of December 31, 2012  |    | As of December 31, 2011  |     | Gross Carrying Amount  |    | Accumulated Amortization  |    | Net Carrying Amount  |    | Gross Carrying Amount  |    | Accumulated Amortization  |    | Net Carrying Amount  |  Intangible assets subject to amortization:  |    |    |    |    |    |    |    |    |    |    |    |  Staffing databases  | $  | 5,450  | 
 
  |    | $  | (3,839  | )  |    | $  | 1,611  | 
 
  |    | $  | 5,450  | 
 
  |    | $  | (3,235  | )  |    | $  | 2,215  | 
 
  |  Customer relationships  | 64,990  | 
 
  |    | (24,539  | )  |    | 40,451  | 
 
  |    | 65,190  | 
 
  |    | (19,841  | )  |    | 45,349  | 
 
  |  Tradenames and trademarks  | 16,871  | 
 
  |    | (5,231  | )  |    | 11,640  | 
 
  |    | 16,871  | 
 
  |    | (4,211  | )  |    | 12,660  | 
 
  |  Non-compete agreements  | 1,476  | 
 
  |    | (1,468  | )  |    | 8  | 
 
  |    | 1,484  | 
 
  |    | (1,396  | )  |    | 88  | 
 
  |  Acquired technology  | 800  | 
 
  |    | (800  | )  |    | —  | 
 
  |    | 800  | 
 
  |    | (737  | )  |    | 63  | 
 
  |  Online courses  | 59  | 
 
  |    | (59  | )  |    | —  | 
 
  |    | 59  | 
 
  |    | (59  | )  |    | —  | 
 
  |     | $  | 89,646  | 
 
  |    | $  | (35,936  | )  |    | $  | 53,710  | 
 
  |    | $  | 89,854  | 
 
  |    | $  | (29,479  | )  |    | $  | 60,375  | 
 
  |  Intangible assets not subject to amortization:  |    |    |    |    |    |    |    |    |    |    |    |  Goodwill  |    |    |    |    | $  | 123,324  | 
 
  |    |    |    |    |    | $  | 123,324  | 
 
  |  Tradenames and trademarks  |    |    |    |    | 83,200  | 
 
  |    |    |    |    |    | 83,200  | 
 
  |     |    |    |    |    | $  | 206,524  | 
 
  |    |    |    |    |    | $  | 206,524  | 
 
  |  
     | 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense  | Based on the current amount of intangibles subject to amortization, the estimated amortization expense as of December 31, 2012 is as follows:    |   |  |  |  |     | Amount  |  Year ending December 31, 2013  | $  | 6,349  | 
 
  |  Year ending December 31, 2014  | 6,249  | 
 
  |  Year ending December 31, 2015  | 6,047  | 
 
  |  Year ending December 31, 2016  | 5,572  | 
 
  |  Year ending December 31, 2017  | 5,426  | 
 
  |  Thereafter  | 24,067  | 
 
  |     | $  | 53,710  | 
 
  |  
     | 
Schedule of Goodwill  | The changes in the carrying amount of goodwill by reportable segment for the year ended December 31, 2011 are as follows:    |   |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |     | Nurse and Allied Healthcare Staffing  |    | Locum Tenens Staffing  |    | Physician Permanent Placement Services  |    | Home Healthcare Services  |    | Total  |  Balance, January 1, 2011  | $  | 76,240  | 
 
  |    | $  | 14,466  | 
 
  |    | $  | 32,317  | 
 
  |    | $  | 31,153  | 
 
  |    | $  | 154,176  | 
 
  |  Impairment charges  | —  | 
 
  |    | —  | 
 
  |    | —  | 
 
  |    | (24,498  | )  |    | (24,498  | )  |  Goodwill acquired from NFI acquisition  | 253  | 
 
  |    | 36  | 
 
  |    | 12  | 
 
  |    | 110  | 
 
  |    | 411  | 
 
  |  Goodwill in assets held for sale  | $  | —  | 
 
  |    | $  | —  | 
 
  |    | $  | —  | 
 
  |    | $  | (6,765  | )  |    | $  | (6,765  | )  |  Balance, December 31, 2011  | $  | 76,493  | 
 
  |    | $  | 14,502  | 
 
  |    | $  | 32,329  | 
 
  |    | $  | —  | 
 
  |    | $  | 123,324  | 
 
  |  Accumulated impairment loss as of December 31, 2011  | $  | 154,444  | 
 
  |    | $  | 53,940  | 
 
  |    | $  | 6,555  | 
 
  |    | $  | 24,498  | 
 
  |    | $  | 239,437  | 
 
  |  
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