Georgia Duplicate Premium Payments (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2012
Georgia Duplicate Premium Payments [Abstract]
Aggregate amount of premium adjustment for revised premium rates for duplicate members	$ 14.0
Provision for bad debt related to the premium adjustment for revised premium rates for duplicate member enrollment in the state of Georgia	$ 10.0

The aggregate amount of premium adjustment for revised premium rates accounting for the cumulative effect of previously uncorrected duplicate members for a specified period.

No definition available.

Name:	agp_Aggregateamountofpremiumadjustmentforrevisedpremiumratesforduplicatemembers
Namespace Prefix:	agp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration