Description of Business And Basis Of Presentation (Details)	6 Months Ended
Jun. 30, 2012
Description of Business and Basis of Presentation [Abstract]
Atlas Resources Public #14-2005 (A) L.P. Formation Date	Mar. 03, 2005

Date the limited liability company (LLC) or limited partnership (LP) was formed, in CCYY-MM-DD format.

No definition available.

Name:	us-gaap_LimitedLiabilityCompanyOrLimitedPartnershipBusinessFormationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration