Investments (Trading Account Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Investments [Abstract]
Cost	$ 5,358	$ 5,471
Fair Value	$ 5,943	$ 6,131

This item represents marketable and other securities categorized as trading securities as of the balance sheet date that support certain products which are experience rated, meaning that it is expected the investment results associated with these products will ultimately accrue to contractholders.

No definition available.

Name:	cik881453_TradingAccountAssetsSupportingInsuranceLiabilitiesFairValue
Namespace Prefix:	cik881453_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant