XML 30 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Preferred Stock (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 11, 2011 | Sep. 30, 2012 | Sep. 30, 2012 | Dec. 31, 2011 | Jun. 30, 2011
Preferred Stock (Textual) [Abstract] |  |  |  |  |
Number of shares of fixed rate cumulative perpetual preferred stock series D |  | 21,000 | 21,000 | 21,000 |
Preferred Stock (Additional Textual) [Abstract] |  |  |  |  |
Aggregate purchase price of fixed rate cumulative perpetual preferred stock | $ 21 |  |  |  |
Repurchase of preferred stock, shares outstanding |  | 21,000 | 21,000 |  |
Percentage of lending incentive fee payable |  | 0.50% |  |  |
Minimum percentage tier one capital to be maintain |  |  |  |  | 90.00%
Increased percentage of lending incentive fee |  |  | 1.00% |  |
Noncumulative Series E Preferred Stock [Member] |  |  |  |  |
Preferred Stock (Textual) [Abstract] |  |  |  |  |
Number of shares of fixed rate cumulative perpetual preferred stock series D | 21,000 |  |  |  |
Annualized Dividend Rate |  |  | 9.00% |  |
Noncumulative Series E Preferred Stock [Member] | Minimum [Member] |  |  |  |  |
Preferred Stock (Textual) [Abstract] |  |  |  |  |
Annualized Dividend Rate |  |  | 1.00% |  |
Noncumulative Series E Preferred Stock [Member] | Maximum [Member] |  |  |  |  |
Preferred Stock (Textual) [Abstract] |  |  |  |  |
Annualized Dividend Rate |  |  | 5.00% |  |
Series E Preferred Stock [Member] |  |  |  |  |
Preferred Stock (Textual) [Abstract] |  |  |  |  |
Redemption price of series E preferred stock |  |  | 100.00% |  |

X
- Definition Increased percentage of lending incentive fee. + References No definition available. + Details
Name: | asrv_IncreasedPercentageOfLendingIncentiveFee
Namespace Prefix: | asrv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage tier one capital to be maintain. + References No definition available. + Details
Name: | asrv_MinimumPercentageTierOneCapitalToBeMaintain
Namespace Prefix: | asrv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of lending incentive fee payable. + References No definition available. + Details
Name: | asrv_PercentageOfLendingIncentiveFeePayable
Namespace Prefix: | asrv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage preferred stock redemption. + References No definition available. + Details
Name: | asrv_PercentagePreferredStockRedemption
Namespace Prefix: | asrv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | asrv_PreferredStockAdditionalTextualAbstract
Namespace Prefix: | asrv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | asrv_PreferredStockTextualAbstract
Namespace Prefix: | asrv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Repurchase of preferred stock. + References No definition available. + Details
Name: | asrv_RepurchaseOfPreferredStock
Namespace Prefix: | asrv_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration