Annual report pursuant to Section 13 and 15(d)

Noncontolling Interest and Acquisitions Non Controlling Interest (Details)

v2.4.0.8
Noncontolling Interest and Acquisitions Non Controlling Interest (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended 3 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Louisiana Healthcare Connections [Member]
Dec. 31, 2012
Louisiana Healthcare Connections [Member]
Oct. 31, 2012
Louisiana Healthcare Connections [Member]
Dec. 31, 2011
Louisiana Healthcare Connections [Member]
Dec. 31, 2013
Centurion [Member]
Dec. 31, 2012
Centurion [Member]
Dec. 31, 2011
Centurion [Member]
Dec. 31, 2012
Casenet, LLC [Member]
Dec. 31, 2013
Casenet, LLC [Member]
Dec. 31, 2011
Casenet, LLC [Member]
Dec. 31, 2013
Home State Health Plan [Member]
Dec. 31, 2012
Home State Health Plan [Member]
Dec. 31, 2011
Home State Health Plan [Member]
Noncontrolling Interest [Line Items]                                                
Ownership percentage by parent                       100.00% 100.00% 51.00% 51.00% 51.00% 51.00% 51.00% 100.00% 100.00% 81.00% 95.00% 95.00% 0.00%
Payments to Acquire Additional Interest in Subsidiaries                 $ 0 $ 14,429 $ 0 $ 10,000             $ 4,429          
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net [Abstract]                                                
Income (Loss) from Continuing Operations Attributable to Parent 47,965 50,325 40,289 22,639 18,679 59,438 (16,656) 27,072 161,218 88,533 120,518                          
Decrease in equity for purchase of, distribution to and redemption of noncontrolling interest                 0 (12,193) (289)                          
Increase in equity for distributions from and consolidation of noncontrolling interest                 8,068 1,092 813                          
Net transfers from (to) noncontrolling interest                 8,068 (11,101) 524                          
Changes from net earnings attributable to Centene Corporation and net transfers from (to) the noncontrolling interest                 $ 169,286 $ 77,432 $ 121,042