2.4.0.82104100 - Disclosure - Guaranteestruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000715579duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_GuaranteesAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Guarantees [Abstract]2false 2us-gaap_GuaranteesTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Guarantees</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div><div style="line-height:120%;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Corporation does not issue any guarantees that would require liability recognition or disclosure, other than its standby letters of credit.&#160;Standby letters of credit are written conditional commitments issued by the Corporation to guarantee the performance of a customer to a third party.&#160;Generally, all letters of credit, when issued, have expiration dates within </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">one year</font><font style="font-family:inherit;font-size:10pt;">.&#160;The credit risk involved in issuing letters of credit is essentially the same as those that are involved in extending loan facilities to customers.&#160;The Corporation generally holds collateral and/or personal guarantees supporting these commitments. The Corporation had </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$4,301,000</font><font style="font-family:inherit;font-size:10pt;"> in standby letters of credit as of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">June&#160;30, 2013</font><font style="font-family:inherit;font-size:10pt;">.&#160;Management believes that the proceeds obtained through a liquidation of collateral and the enforcement of guarantees would be sufficient to cover the potential amount of future payments required under the corresponding guarantees.&#160;The current amount of the liability, as of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">June&#160;30, 2013</font><font style="font-family:inherit;font-size:10pt;">, for guarantees under standby letters of credit issued is not material.</font></div></div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties.No definition available.false0GuaranteesfalseGuaranteesUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.acnb.com/role/Guarantees12