v2.4.0.8
Patient Transport Revenue Recognition (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Revenue from External Customer [Line Items]          
Allowance for uncompensated care as a percentage of receivables from non-governmental payers (in hundredths) 39.40% 44.90% 39.40% 44.90% 39.20%
Private insurance provider receivables as a percentage of non-governmental payer receivables (in hundredths) 67.00% 60.00% 67.00% 60.00% 60.00%
Patient transport revenue, net of provision for contractual discounts $ 298,046 $ 258,898 $ 548,642 $ 452,722  
Third-party payers
         
Revenue from External Customer [Line Items]          
Patient transport revenue, net of provision for contractual discounts 233,787 196,163 412,720 339,003  
Self-pay
         
Revenue from External Customer [Line Items]          
Patient transport revenue, net of provision for contractual discounts $ 64,259 $ 62,735 $ 135,922 $ 113,719