v2.4.0.8
Patient Transport Revenue Recognition (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 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) 37.70% 42.40% 39.20%
Private insurance provider receivables as a percentage of non-governmental payer receivables (in hundredths) 63.00% 59.00% 60.00%
Patient transport revenue, net of provision for contractual discounts $ 250,596 $ 193,824  
Third-party payers
     
Revenue from External Customer [Line Items]      
Patient transport revenue, net of provision for contractual discounts 178,933 142,840  
Self-pay
     
Revenue from External Customer [Line Items]      
Patient transport revenue, net of provision for contractual discounts $ 71,663 $ 50,984