v2.4.0.8
Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
segments
Sep. 30, 2013
segments
Number of Reportable Segments     2 2
Revenues $ 4,351,861 $ 2,795,568 $ 11,835,449 $ 7,931,589
Premium and service revenues 4,159,089 2,726,064 11,252,237 7,666,808
Earnings (loss) from operations 107,932 83,992 270,638 192,329
Intersegment Eliminations [Member]
       
Premium and service revenues (821,417) (549,833) (2,162,772) (1,620,785)
Earnings (loss) from operations 0 0 0 0
Operating Segments [Member] | Medicaid Managed Care [Member]
       
Premium and service revenues 3,746,076 2,512,001 9,967,260 7,153,545
Earnings (loss) from operations 79,702 71,336 187,653 126,196
Operating Segments [Member] | Specialty Services [Member]
       
Premium and service revenues 1,234,430 763,896 3,447,749 2,134,048
Earnings (loss) from operations 28,230 12,656 82,985 66,133
Internal Customer [Member]
       
Revenues 0 0 0 0
Internal Customer [Member] | Intersegment Eliminations [Member]
       
Revenues (821,417) (549,833) (2,162,772) (1,620,785)
Internal Customer [Member] | Operating Segments [Member] | Medicaid Managed Care [Member]
       
Revenues 15,339 9,864 41,953 30,209
Internal Customer [Member] | Operating Segments [Member] | Specialty Services [Member]
       
Revenues 806,078 539,969 2,120,819 1,590,576
External Customer [Member]
       
Revenues 4,159,089 2,726,064 11,252,237 7,666,808
External Customer [Member] | Intersegment Eliminations [Member]
       
Revenues 0 0 0 0
External Customer [Member] | Operating Segments [Member] | Medicaid Managed Care [Member]
       
Revenues 3,730,737 2,502,137 9,925,307 7,123,336
External Customer [Member] | Operating Segments [Member] | Specialty Services [Member]
       
Revenues $ 428,352 $ 223,927 $ 1,326,930 $ 543,472