Segment Information (Tables)
6 Months Ended
Jun. 30, 2014
Segment Reporting [Abstract]  
Schedule of financial information by segment
The Company reports in two operating segments: PBM and HCIT. The Company evaluates segment performance based upon revenue and gross profit. Financial information by segment is presented below (in thousands):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2014
 
2013
 
2014
 
2013
PBM:
 
 
 
 
 
 
 
Revenue
$
5,350,962

 
$
3,382,195

 
$
10,229,337

 
$
6,563,748

Cost of revenue
5,039,279

 
3,135,211

 
9,622,564

 
6,089,312

Gross profit
311,683

 
246,984

 
606,773

 
474,436

Total assets at June 30
8,744,311

 
7,242,286

 
8,744,311

 
7,242,286

HCIT:
 
 
 
 
 
 
 
Revenue
34,846

 
35,235

 
70,950

 
73,399

Cost of revenue
16,716

 
17,630

 
33,249

 
34,873

Gross profit
18,130

 
$
17,605

 
37,701

 
38,526

Total assets at June 30
373,575

 
105,526

 
373,575

 
105,526

Consolidated:
 
 
 
 
 
 
 
Revenue
5,385,808

 
3,417,430

 
10,300,287

 
6,637,147

Cost of revenue
5,055,995

 
3,152,841

 
9,655,813

 
6,124,185

Gross profit
329,813

 
264,589

 
644,474

 
512,962

Total assets at June 30
$
9,117,886

 
$
7,347,812

 
$
9,117,886

 
$
7,347,812