2.4.0.8060100 - Disclosure - Restated Informationtruefalsefalse1false falsefalsec20130101to20130630http://www.sec.gov/CIK0000868271duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_AccountingChangesAndErrorCorrectionsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Restated Information [Abstract]2false 2us-gaap_AccountingChangesAndErrorCorrectionsTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<div style="font-family: 'Times New Roman', Times, serif; font-size: 10pt;"><div style="text-align: left; text-indent: 0pt; display: block; font-family: Times New Roman; margin-left: 0pt; font-size: 10pt; margin-right: -28.1pt;">Note 1 – <font style="display: inline; text-decoration: underline;">Restated Information</font></div><div style="text-indent: 0pt; display: block;"><br /></div><div style="text-align: justify; text-indent: 0pt; display: block; font-family: Times New Roman; margin-left: 36pt; font-size: 10pt; margin-right: 0pt;"><div style="text-align: justify; font-family: ''Times New Roman'', Times, serif; font-size: 10pt;">Certain amounts in the June 30, 2012 unaudited consolidated financial statements and notes to the unaudited consolidated financial statements have been restated to reflect the changes reported in Severn Bancorp, Inc.’s (“Bancorp”) Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”) on March 14, 2013.</div><br /></div></div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for reporting accounting changes and error corrections. It includes the conveyance of information necessary for a user of the Company's financial information to understand all aspects and required disclosure information concerning all changes and error corrections reported in the Company's financial statements for the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22644-107794 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 45 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=6368906&loc=d3e21914-107793 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22595-107794 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22499-107794 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 1.N.Q3) -URI http://asc.fasb.org/extlink&oid=6369664&loc=d3e30840-122693 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 1 -Section N Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 154 -Paragraph 17, 22, 25, 26 -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. false0Restated InformationfalseRestated InformationUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://severnbank.com/role/RestatedInformation12