Business Acquisitions - Schedule of Acquisition of Hospitalist Practices (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Acquired assets, net of assumed liabilities – paid and accrued:    
Goodwill - current year transactions $ 21,088  
Other intangible assets 114  
Fixed Assets 7  
Total acquired assets - current year 21,209  
Goodwill - adjustment for prior year transactions (283)  
Total acquired assets, net of assumed liabilities 20,926  
Cash paid for acquisitions:    
Current year transactions (13,170)  
Contingent consideration (699)  
Other - prior year transactions (39)  
Total cash paid for acquisitions (13,908)  
Change in accrued contingent consideration 4,379 (1,189)
Net change in payable for practice acquisitions 11,397  
Payable for practice acquisitions, beginning of period 44,911  
Payable for practice acquisitions, end of period $ 56,308